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 ₱447.4K contract to GAM CONSTRUCTIONCities
Transaction hash:
ef5b48b3fe3e3068fc4144ed89e7f94c4d997e2c445df7628f7f66d0e4dffc72
Status:
Included and unchanged
Block:
#1,192 4,821 blocks after it
Position in block:
Transaction 19 of 24
Award day:
Jul 15, 2011 (15 yrs 4 mo ago)
Value:
₱447,424.30
Project:
Rehabilitation/Improvement of Training Center for Girl Scout of the Philippines at Sta. Maria
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 #1,192 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 GAM CONSTRUCTION on 2011-07-15.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 ef5b48b3fe…dffc72now …
- 2. Block Merkle root changedstored b6d4725816…1212fanow …
- 3. Block #1192 hash changedstored 97ada2727f…6d8a88now …
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 23 records. Each step hashes the current value together with the sibling shown.
- leaf ef5b48b3fe3e3068fc4144ed89e7f94c4d997e2c445df7628f7f66d0e4dffc72
- 01 L df1f88b6311cb3560aff83e7e7f93a7a7a77232d6b4d4396444d530068a4f419
- 02 L e535b40b1f1d768030ab3676df09518ed58a9ccbab6878ccd38dd2c8376c6c0d
- 03 R 2776c929d7d3a409ac70e14d24696b6dc1450c1a93906882bbc9e182b3e8f462
- 04 R 5ba40f10e579c7701bf0f4f184be784967eb9c9d456a0b0ec81768992cb62df4
- 05 L 75655d2ee8fa7e1421f98ed1d44d00d091db6ef1412e9dbef598bc001ea5b2fd
- root b6d4725816215ba3c8fcf93a6a27a9533742843b4de6cb317d5cbb14821212fa