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 ZAMBOANGA, ZAMBOANGA DEL SUR Award a ₱991.1K contract to RC CONSTRUCTION & REALTYCities
Transaction hash:
61005daf582fc4b495dacfa33e6120e748cad7d96086f66da7a0d881791c331d
Status:
Included and unchanged
Block:
#1,175 4,838 blocks after it
Position in block:
Transaction 13 of 30
Award day:
Jun 24, 2011 (15 yrs 4 mo ago)
Value:
₱991,134.30
Project:
Construction of Slope Protection at Zone VI Presa Mayor, Tumaga
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 #1,175 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 ZAMBOANGA, ZAMBOANGA DEL SUR awarded it to RC CONSTRUCTION & REALTY on 2011-06-24.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 Zamboanga 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 61005daf58…1c331dnow …
- 2. Block Merkle root changedstored f0b65029d9…798188now …
- 3. Block #1175 hash changedstored 967879c137…fe1c85now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 29 records. Each step hashes the current value together with the sibling shown.
- leaf 61005daf582fc4b495dacfa33e6120e748cad7d96086f66da7a0d881791c331d
- 01 L 56bd7f6434c90b7fa97248adf6f79492fe1b3d409b54ad3db985b248b7d1bb10
- 02 R 6309c866a00d146d18c135721860c73f8147978a72b8e696d3c873f14c93e065
- 03 L fcee60594b2f829cdf2ec2c88f056cb44f5eb045224822bf819b6e845985bfb7
- 04 L 0f1464ef07ec4e5f83a69d059799d28619dfa90fde2afb8fb8735063f0128f64
- 05 R 9c305d64e585df8868c8f2c5970163aa5baa8269d3c0114c76f09e2da4e1fcfe
- root f0b65029d9fc9e410b26daaae48019a965b4f8acd4e345b02474163449798188