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 SURIGAO, SURIGAO DEL NORTE Award a ₱797.7K contract to TRI-AC CONSTRUCTION AND SUPPLYCities
Transaction hash:
ccdb9abc6bbde2332eda9a8b33fd3ad3e3a4f8a5a3fc77ee21d0d29dc0c35b7b
Status:
Included and unchanged
Block:
#4,542 1,471 blocks after it
Position in block:
Transaction 129 of 161
Award day:
Aug 18, 2021 (5 yrs 2 mo ago)
Value:
₱797,735.88
Project:
Const. of Parking Area along ABC Building
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 #4,542 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 SURIGAO, SURIGAO DEL NORTE awarded it to TRI-AC CONSTRUCTION AND SUPPLY on 2021-08-18.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 Surigao 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 ccdb9abc6b…c35b7bnow …
- 2. Block Merkle root changedstored ea93bfc133…517734now …
- 3. Block #4542 hash changedstored 1b0e622f7f…1140e3now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 160 records. Each step hashes the current value together with the sibling shown.
- leaf ccdb9abc6bbde2332eda9a8b33fd3ad3e3a4f8a5a3fc77ee21d0d29dc0c35b7b
- 01 L cb211b8522aadc34056543b2ec70729af3569ffc153de7a87ed4d96aea0f4c2b
- 02 R fee7ae535d678ba2582284346392db82051a2fac2d6b9d4c21be43df35857046
- 03 R b73072d9a7edb0797ca6436ec6cfc9001d5fd52287826b88824764796ae38448
- 04 R 40617b5f049b208df418efd58a68becc456144251902b2bf3695add25e45c36d
- 05 R a0a5d09bcf663a6e56d6fe738710028818da4165e83dd277aab1fb696ec37400
- 06 R ffa63adf2ed9ba0653ae9b48f2a9633a8c3939cc1bb65993a3f3f2d6f93dd45b
- 07 R 387643685ee623dfad175d54d1677a462589a1721eafb8ccc645b5d205016f2c
- 08 L 21698347e0d5398601a80d6a4b9d2f4d80c91404e4c58129ba1fbb1947e016e9
- root ea93bfc13304105503e8074c8a991fb5a70ca517216ba81e644c01291d517734