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 CALOOCAN Award a ₱8.7M contract to P.B. GREY CONSTRUCTIONCities
Transaction hash:
0661af9b2fd5ab2edb14c8d0fc3fa0218991ba228c3183e59e8d3e5141110091
Status:
Included and unchanged
Block:
#1,325 4,688 blocks after it
Position in block:
Transaction 0 of 88
Award day:
Dec 16, 2011 (14 yrs 10 mo ago)
From:
Value:
₱8,724,483.00
Project:
Improvement of Roads and Drainage System at Phase 6, Green Valley, Barangay 178, Caloocan City
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 #1,325 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 CALOOCAN awarded it to P.B. GREY CONSTRUCTION on 2011-12-16.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 Caloocan 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 0661af9b2f…110091now …
- 2. Block Merkle root changedstored 46f769d25e…fe3584now …
- 3. Block #1325 hash changedstored f7d1d36167…cee123now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 87 records. Each step hashes the current value together with the sibling shown.
- leaf 0661af9b2fd5ab2edb14c8d0fc3fa0218991ba228c3183e59e8d3e5141110091
- 01 R 0d1dc09a26aa8b0149589d6f528c766d7c03cdb0912d868fd707ebea9905127e
- 02 R b405f444293dffa00ddcf077df66daacbeacce936d6c72a927e5b986eff3ec20
- 03 R 03a3aa026694c399946a0c15518b265cd71262c5b5b10740f9d50fee1aa5501a
- 04 R ae48ce98e93ebfc94df498f1ba6aa5d3797c3fa039417017a1747cd06b71e5bf
- 05 R 0283827cff50c02bb60821070b258333fa2dd1cc9db0cad066860ff493d9475c
- 06 R c57daa29186e96d5ad6c405bf314f93962d139090e8dfbd9cf908b9f3cf78687
- 07 R 0c4b7bc93b552a1988edefc0a74dc9f37137cbdfe94628c3738c864d56d6b930
- root 46f769d25e88960131d60aa2ddf419fda604a85e415396f5bf8fbfee39fe3584