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
PROVINCE OF QUEZON Award a ₱3.0M contract to R.A MENDIOLA CONSTRUCTION & DEVELOPERProvinces
Transaction hash:
435c0318f97997eeb454b75f1e1de3f7d461b3ce105445eb38b7848a46470115
Status:
Included and unchanged
Block:
#3,685 2,328 blocks after it
Position in block:
Transaction 59 of 227
Award day:
Feb 20, 2019 (7 yrs 8 mo ago)
From:
Value:
₱2,994,859.20
Project:
Construction Materials and Civil Works
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 #3,685 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)PROVINCE OF QUEZON awarded it to R.A MENDIOLA CONSTRUCTION & DEVELOPER on 2019-02-20.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 Quezon gave a "unmodified" 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 435c0318f9…470115now …
- 2. Block Merkle root changedstored 277d33e99c…8209e6now …
- 3. Block #3685 hash changedstored 99f61ceabb…12d365now …
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 226 records. Each step hashes the current value together with the sibling shown.
- leaf 435c0318f97997eeb454b75f1e1de3f7d461b3ce105445eb38b7848a46470115
- 01 L 427b82ab595702510d804c80a2398d5f3cb8c653eb8432eb5762e347ee1d3691
- 02 L 698bf17c9d7928110597a991979be155fbdbc87013655cd0345853ad786e0cbe
- 03 R fd6b8894eb25f0784d344a370a477ef0031e91cf247ec1eea959bfe86c0d916f
- 04 L 38ec004e74e5feb7163bdc932066f13244b99bfa6659842d1e7c389d960f3068
- 05 L 0bb73a03c0cae31893770f7f0182c244abcb0d17a6772bd6566d9771e2398186
- 06 L ca95f09719b7b19dfe8e47c80925de75c707a0bef12249e6466ac3107add077e
- 07 R e2a1a637a68a7a32e53e422fab9fa06fd0eca4b5cc8f8233bb3e966d0c297f4f
- 08 R 62580128ca99415959c1d806402abf1336573afc2d808093564a928689a56b6b
- root 277d33e99cac5937d315c144db0f0b1238d41a8c8e1ef1e23065a2f78b8209e6