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 VALENZUELA Award a ₱410.4K contract to A.R. LUSTRE JR. CONSTRUCTIONCities
Transaction hash:
ac14ea47553a80af8a4f1be176dea2d8f45f012c54f880e3df7545f2b5433d8f
Status:
Included and unchanged
Block:
#1,033 4,980 blocks after it
Position in block:
Transaction 46 of 63
Award day:
Dec 23, 2010 (15 yrs 10 mo ago)
From:
Value:
₱410,379.10
Project:
CRN 044 (ROAD-BALANGKAS)
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 #1,033 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 VALENZUELA awarded it to A.R. LUSTRE JR. CONSTRUCTION on 2010-12-23.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 Valenzuela 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 ac14ea4755…433d8fnow …
- 2. Block Merkle root changedstored 8a81129d0d…566034now …
- 3. Block #1033 hash changedstored 95860602ed…328f47now …
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 62 records. Each step hashes the current value together with the sibling shown.
- leaf ac14ea47553a80af8a4f1be176dea2d8f45f012c54f880e3df7545f2b5433d8f
- 01 R b7dfb8204663cd7cb14f00c9cb20fa52b330088583f2e859dd2effe82bf593c4
- 02 L a88455eccb5447dd462b429391bec09e0db9e7f5f6522add0f99709dc9a5a511
- 03 L 53286279168a56efe345358d2525b18eb9c90667f1a9f59b17354a33b0d4e4bb
- 04 L 5a8e66a715a801ac0cd24a66821bdbd3ff801e0c6aadf74f20e32c515f805156
- 05 R 3dc33764dade9c9ff48b81f58540011ba6a25ce91739f067edb95f276bdbe809
- 06 L c3d1d0588fbf739b1a1d2250e67d906b8ab4f82aec60a89ca93bf99406e8e10a
- root 8a81129d0de2b010c798a80f97a5c8a03c80f3ed2d848056a84ae83f60566034