DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works
Transaction details
APITransaction action
CITY OF DAVAO, DAVAO DEL SUR Award a ₱11.5M contract to DECKTOP BUILDERS CORPORATIONCities
Transaction hash:
d23f080b2b344934be28c0078a14cabb615abcd4c2a745bec4359b00af4f24eb
Status:
Included and unchanged
Block:
#5,807 206 blocks after it
Position in block:
Transaction 924 of 1,132
Award day:
Mar 21, 2025 (1 yr 7 mo ago)
Value:
₱11,498,000.00
Project:
Infrastructure B02-2025-17
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #5,807 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)CITY OF DAVAO, DAVAO DEL SUR awarded it to DECKTOP BUILDERS CORPORATION on 2025-03-21.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)COA's CY2024 audit of City of Davao gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored d23f080b2b…4f24ebnow …
- 2. Block Merkle root changedstored c13f4a0c6a…9c16a9now …
- 3. Block #5807 hash changedstored 3382cf9220…94368fnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (11 steps)
How this one record is tied to the block's Merkle root, without needing the other 1,131 records. Each step hashes the current value together with the sibling shown.
- leaf d23f080b2b344934be28c0078a14cabb615abcd4c2a745bec4359b00af4f24eb
- 01 R d27287858ef5d003f2d67a8423f3def4884dab9121ecc7c135eef3c233699175
- 02 R 24705bc25992f306b0378123d90ba9a21d48df6b7deccb62f9b557a2094fd46e
- 03 L 01063daa30269f53623e1d3172dc9ce836c76be63622e950eff14d7a85b300f3
- 04 L 027d46145b510d48d88ac215ec658388ed70e66da172989687063a428ecb7c2f
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- 06 R b70f5ba6b0a14228d32347380a8b0be8482cdd1563f4e7848ecb2e6b51a75ee2
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- 08 L 37671bab7022b404b4714716e77e413b2ca0fbc913fdde758a8e147a064504c2
- 09 L 5f37525cef94c188be5dda86be7fd306710b048e8245de96b5ff488a80e56ef9
- 10 L f30aba8eedd53198486d213fc32b2413ac288840dc5749751240d49b71a000e5
- 11 R d32fc04837aaa0fc0d7aaf6432a022182fafbd4c04d93720356026ef7bb43124
- root c13f4a0c6a3fcf602ad4d9b44566daa246c057f271816fdddb5e537c0d9c16a9