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
MUNICIPALITY OF AYUNGON, NEGROS ORIENTAL Award a ₱999.0K contract to MAI CONSTRUCTION AND SUPPLYMunicipalities
Transaction hash:
32f430fc2ba2cac07cdcfbac176d6f19c91253d380302c0bdeb29cb4d6d21a3e
Status:
Included and unchanged
Block:
#5,935 78 blocks after it
Position in block:
Transaction 42 of 215
Award day:
Aug 15, 2025 (1 yr 2 mo ago)
Value:
₱999,000.00
Project:
Supply & Delivery
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 #5,935 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)MUNICIPALITY OF AYUNGON, NEGROS ORIENTAL awarded it to MAI CONSTRUCTION AND SUPPLY on 2025-08-15.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 Ayungon 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 32f430fc2b…d21a3enow …
- 2. Block Merkle root changedstored 7811e7981a…73d6afnow …
- 3. Block #5935 hash changedstored 30c31d4bfd…3c2121now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 214 records. Each step hashes the current value together with the sibling shown.
- leaf 32f430fc2ba2cac07cdcfbac176d6f19c91253d380302c0bdeb29cb4d6d21a3e
- 01 R 3627ee7f860813bf0b60a02a57fc14c10a7607eb939faea23a8d504d99bdf4b7
- 02 L 96bc38aa3cc3ed7f22898e54a0fe1f4ea264f9b55b570b6a0a0cc0dee8b391b3
- 03 R fa42862195d6112858ec1883b2a9739d7f302a74600cc66a4656b32761d2627f
- 04 L 649725017f20f1550f7398277b0b0ca8a4c0c472cb585e3a0e721690b0601e72
- 05 R 4074c4f3cf8095d9032587870480f14022f15f5b218801603ec8ee0cb7f67269
- 06 L 876ebe906ababc94911d2924f6fe71852227587d4080dffdfa17ce0d315a0690
- 07 R 010ba808a8d5a44539e16077b822bfe691728ac43179da6eda533b71a3fbb6de
- 08 R 6d24e46813e585c03e4c34adac43b3f715dfd84571f97237066e1fea85cdee37
- root 7811e7981a1a72dc7f031843549da034913f35ecde4a2ec0d56d04a50673d6af