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 TABACO, ALBAY Award a ₱240.4K contract to J S ZAMORA CONSTRUCTIONCities
Transaction hash:
ece0890fc22df70cb92be31fef9844bdcda3420f5ebffdd86cc9eab4041676e0
Status:
Included and unchanged
Block:
#5,105 908 blocks after it
Position in block:
Transaction 612 of 668
Award day:
Mar 27, 2023 (3 yrs 7 mo ago)
Value:
₱240,350.22
Project:
Construction Projects
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 #5,105 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 TABACO, ALBAY awarded it to J S ZAMORA CONSTRUCTION on 2023-03-27.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 Tabaco 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 ece0890fc2…1676e0now …
- 2. Block Merkle root changedstored 46f95af88f…1509fbnow …
- 3. Block #5105 hash changedstored cd050f838b…6e37dcnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 667 records. Each step hashes the current value together with the sibling shown.
- leaf ece0890fc22df70cb92be31fef9844bdcda3420f5ebffdd86cc9eab4041676e0
- 01 R ed136db7ebe9df046a466fdfc2245d69a7d3de51c6f34b404a57b38d04504fdf
- 02 R c4bf2c8ab6098bd4a395fcf1916225629f21d85d71f35f405a8b10fcb648104d
- 03 L 95707ffc67b500bbc5bebd82a34e9e7659f2ec3318aa161da4da7435ada4cc04
- 04 R 00acc73a0d4cd5f771889eb814aaa89f811d50e9fa3eac7307f048e803bc0bdf
- 05 R 069160b2b03fee0c1e14ad18d8d6bc900f6a2fd898f81ae1072bf834a1803946
- 06 L 9a4e178dd07a6f6cd8cb9a5be406c265f1d6ec2a9d23434e69daa266c6ac4f97
- 07 L ec88aba1b358fe452e3deeba6e44ddd7a1e7591620a40929eba3406f8cb36ff7
- 08 R 62a0e0be16ec550d7c0f2653e89552064b0949a44920978f3de902d5b24d3efc
- 09 R 74f19322d57a1ef92b3c00b05c1e5ca5ca6b49dc1d0c464ceca7748640d7015b
- 10 L 6696fd8799d383fea34558ed540f16eba761956617d52653e3400cfcf2449ed4
- root 46f95af88f832056a82c30410218fccc0230af55cc37726233891720fb1509fb