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 ₱4.3M contract to DAV 7 GENERAL CONSTRUCTION AND SUPPLY CORPORATIONCities
Transaction hash:
c8a1fb8c6cb1d4fa09a30ea85ff9866971174220bd74999189dd6f2663703240
Status:
Included and unchanged
Block:
#5,765 248 blocks after it
Position in block:
Transaction 490 of 621
Award day:
Feb 7, 2025 (1 yr 9 mo ago)
Value:
₱4,275,744.42
Project:
Infrastructure B15-2024-11
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 #5,765 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 DAV 7 GENERAL CONSTRUCTION AND SUPPLY CORPORATION on 2025-02-07.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 c8a1fb8c6c…703240now …
- 2. Block Merkle root changedstored bf87922ff1…dc206cnow …
- 3. Block #5765 hash changedstored e9b381d086…1793cenow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 620 records. Each step hashes the current value together with the sibling shown.
- leaf c8a1fb8c6cb1d4fa09a30ea85ff9866971174220bd74999189dd6f2663703240
- 01 R c8b4d125452807195914c471f9c499412a371c88ecd69aa516bc4ae138a13fe4
- 02 L 3da76fc6f70075cae4165f53e17906ad3142e23442139e9e0ac448c2b5bf31c8
- 03 R 3fd020e73733d9d90cd392c98420132999e393246175785abda41a491a361ed8
- 04 L c9fce8f4f1fd8ff22efa0ec8f12c72b0b95e66a79eb81ebb4bca84cffef34fa9
- 05 R 25d7b2bd4a3a64382418d7871fde2747d9faada84fa8e10fda83e703ed70dff8
- 06 L 83c34a6fb5d36b75dc44b32fbc9ad8bf5288012630756c97fcba2e039e14ffdb
- 07 L f3884f41b13d518a5ff2b924b7bd18c2b8cbf08f5a5a41bb5206ca14189fd918
- 08 L 78b910b8929e9b690272e6d0693b6945a12b4436a28a26e8c424edb848553342
- 09 L b361f06d29ffb471e1a183d9c2537f8edfe4dcee1301422b87d4b2a9d7a99de7
- 10 R 281923f664523bf4a486736e022bf63d52cfb13212728dc9e55a23fd93255bc5
- root bf87922ff1af9099df9bdb34f4d6448f67dd3f23526b947f5f1ce0bad9dc206c