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 ALBAY Award a ₱3.4M contract to R.R.A. REQUILLAS CONSTRUCTION AND SUPPLYProvinces
Transaction hash:
7e7feadfa8143494cf03b21f859f295dedea367648df1b3275d37ad926ef5243
Status:
Included and unchanged
Block:
#4,619 1,394 blocks after it
Position in block:
Transaction 79 of 162
Award day:
Nov 4, 2021 (5 yrs ago)
From:
Value:
₱3,388,798.47
Project:
Construction Project
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 #4,619 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 ALBAY awarded it to R.R.A. REQUILLAS CONSTRUCTION AND SUPPLY on 2021-11-04.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 Albay 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 7e7feadfa8…ef5243now …
- 2. Block Merkle root changedstored cda621c87f…5bef77now …
- 3. Block #4619 hash changedstored a44dbad3f0…585153now …
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 161 records. Each step hashes the current value together with the sibling shown.
- leaf 7e7feadfa8143494cf03b21f859f295dedea367648df1b3275d37ad926ef5243
- 01 L 7dd60359fd62612b50ccd85c170144ca56346fc6a6f0dc5b9b0b99d957c048a5
- 02 L 4252082041c3af6e08d5ec5fe1429f97277ef3239219244548efde46a56cd84f
- 03 L b7b5be700e6e0179fd0520259a13919524507be8651e975a8e60da93ceea6a1c
- 04 L 2f9def781d3390ab3bd83e922fb56849641025a7610c8f85018b1d47efffd403
- 05 R 3497ab3ce075198c518d2e248b4b62a1ede938d01c37cc51d024c028c1dd2fc2
- 06 R cb6e890dbd966ab7c18d5c6c32dfad30d022f8296379612f569268d22f73830f
- 07 L 8ed2f71a75d6b363e0106a88c8c2dd8d5f15c7e9d55c894d6fc1f6c73b86db9e
- 08 R e29536e9fa6d0a88825db3bd48809d2240c3b71950887cd0c541ca92e1fc46c1
- root cda621c87f3d707901f90a55278d55636ceb9223be85a7961ea76d7ce45bef77