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 PASIG Award a ₱372.5K contract to C.B. TAMPENGCO CONSTRUCTION & SUPPLYCities
Transaction hash:
59cda3282cdbdcd249553db1d735378a54fb5b424acb7054aa0a9b104b7ce473
Status:
Included and unchanged
Block:
#989 5,024 blocks after it
Position in block:
Transaction 14 of 52
Award day:
Oct 26, 2010 (16 yrs ago)
From:
Value:
₱372,465.00
Project:
Repair
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 #989 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 PASIG awarded it to C.B. TAMPENGCO CONSTRUCTION & SUPPLY on 2010-10-26.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 Pasig 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 59cda3282c…7ce473now …
- 2. Block Merkle root changedstored 4f8c9e1e50…01c98dnow …
- 3. Block #989 hash changedstored ca5d3de139…e8017dnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (6 steps)
How this one record is tied to the block's Merkle root, without needing the other 51 records. Each step hashes the current value together with the sibling shown.
- leaf 59cda3282cdbdcd249553db1d735378a54fb5b424acb7054aa0a9b104b7ce473
- 01 R 695570084e515d2dfa55b3aa2f046bdaa7d1ba3b5ead2733cdfe50b497c03823
- 02 L 855fd4dd7704719030ee428ff5b24a2ad7930f9ae0fda1f6b00a5b599f4207e4
- 03 L 0f611aba6f4437512cca7d3b58075088d4e2f510a5fddc2afc82c365cc5e4c61
- 04 L 0906ece7b3dbac60e1a573d2c8077b7719e8799546ff5feb068f9e5257e46819
- 05 R 642c16a622dce0e2d56c98cac4146365715843780fd934ef40ba2084bdc1b8fd
- 06 R 2adc50194fe5a25b1dc9938776396fb4bcd7da32c11a6df041025177a3cf157a
- root 4f8c9e1e508e2f27e9f3b338f0ec9dd55b93b85334d4123d33109d2ad801c98d