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 PIAT, CAGAYAN Award a ₱241.8K contract to MEGCA CONSTRUCTIONMunicipalities
Transaction hash:
3d72bfec175689d0a615b042a744a6c191642d09fe263a239c2c9f8957b46657
Status:
Included and unchanged
Block:
#4,384 1,629 blocks after it
Position in block:
Transaction 92 of 382
Award day:
Mar 8, 2021 (5 yrs 8 mo ago)
Value:
₱241,849.60
Project:
POTABLE WATER SUPPLY PROJECT VILLAREY
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 #4,384 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 PIAT, CAGAYAN awarded it to MEGCA CONSTRUCTION on 2021-03-08.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 Piat 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 3d72bfec17…b46657now …
- 2. Block Merkle root changedstored b0e16c5207…a692d1now …
- 3. Block #4384 hash changedstored ceb82c3322…5c3776now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 381 records. Each step hashes the current value together with the sibling shown.
- leaf 3d72bfec175689d0a615b042a744a6c191642d09fe263a239c2c9f8957b46657
- 01 R 3d8351259cc4dc507a83c079afe8d3372ac19d3cbc8632dd5e2297e72db1a684
- 02 R 5a444c57de12c09e67039dd7070980729655932939bab1e632fa004d745095f7
- 03 L 3b5d73c3484e60f1e9c84d06dac49b187319d7044e3ef20f7b4bf8d0c037dade
- 04 L fd5963dedab39391178cd0e11de1f6f8d101e2b5429239a6e64239b8fe593a15
- 05 L 4542bcb6f37f4844caa6a755403a3e54c1ebc472a0bd60c44746fd21a5f8f396
- 06 R 62242e98b68887498eb5f5c5b1db5ab15b6b86d2672714cbbed110246f74ac18
- 07 L c319727e296ddf1d9f70c674939e2dcb87e2a430e20d099ad7d16b61fc7fd78e
- 08 R 7bb39efa02ebf10dc2992924b3ed9582389eba0db5248dc549ed5f940e225a4e
- 09 R 09ce35f60f82797a86defdc5e0116f8059a43e303e3eb317876d208e6ba10473
- root b0e16c520728e674abd0cba021a989ab18ef4f3a50deb5eac26b6acf0fa692d1