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 ANGELES, PAMPANGA Award a ₱5.3M contract to TAYAG AND SONS BUILDERS AND TRADING INCORPORATEDCities
Transaction hash:
9dfe72ea83fe89d0a448779ab851a4306fd5f6ff90dac4c7155c513494704e49
Status:
Included and unchanged
Block:
#4,651 1,362 blocks after it
Position in block:
Transaction 162 of 267
Award day:
Dec 6, 2021 (4 yrs 11 mo ago)
Value:
₱5,274,042.37
Project:
People's Park, Sto. Domingo
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 #4,651 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 ANGELES, PAMPANGA awarded it to TAYAG AND SONS BUILDERS AND TRADING INCORPORATED on 2021-12-06.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 Angeles gave a "not stated" 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 9dfe72ea83…704e49now …
- 2. Block Merkle root changedstored 325430cec4…71794anow …
- 3. Block #4651 hash changedstored 912b3da1fa…2f60b0now …
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 266 records. Each step hashes the current value together with the sibling shown.
- leaf 9dfe72ea83fe89d0a448779ab851a4306fd5f6ff90dac4c7155c513494704e49
- 01 R a01f7208d48596fc86740e3651fbad1657349d4f83bb5310d653734ec7d66eea
- 02 L 0a6015598fd7a09d34e16bff7dd0dd2aaa397b56c2509c4bbad59e57ff3b0ac6
- 03 R f20116c33f8a6cc849ae24d87b160ad61d1824d67cbb54a3aad41e7c8ea657ac
- 04 R 2cc7081ce3c036c0f7c7ed76aade92ea3d729e3d22e459792918e9dd25e114c4
- 05 R a57d4b97251689b3e28da2bdddf4b7cccc2e1c14827e2cd1982d0c6da70bb777
- 06 L 5a2145574c30e9f43e634000415c7ed9350ed71c1aade47accbe00512ac16d71
- 07 R 4e9cd2f381b639bffcfab997d3c002ca0e4f37bcc1ba73d02927e3005d6efa02
- 08 L 20fa3673d3cc18730e3e4e7997277de925b6da961b8e7fe285eedaaa40ef2c2e
- 09 R dafcbdb7b202f23376329f2e0bd0358228435d95e0002be1fe1ecda6f8c0b4d3
- root 325430cec4b6b7697ccf4444a2bd33d85adc528f52ec4828d09886e96571794a