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 ₱14.0M contract to TRI-AC CONSTRUCTION AND SUPPLYCities
Transaction hash:
f7fcdd6804b9c5d5d09fdf13b791ce49f89d1e301e105835d829f45bc6e83fb3
Status:
Included and unchanged
Block:
#5,822 191 blocks after it
Position in block:
Transaction 489 of 506
Award day:
Apr 6, 2025 (1 yr 7 mo ago)
Value:
₱13,996,739.66
Project:
Improvement of Luneta Nan Surigao – Phase IV
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 #5,822 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 2025-04-06.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 f7fcdd6804…e83fb3now …
- 2. Block Merkle root changedstored ff86ccc865…b0d5benow …
- 3. Block #5822 hash changedstored 5fba26169e…afc03fnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 505 records. Each step hashes the current value together with the sibling shown.
- leaf f7fcdd6804b9c5d5d09fdf13b791ce49f89d1e301e105835d829f45bc6e83fb3
- 01 L f7f1da9057198a9267adeb22abf67ce4dff874667de406e620028c99650f0681
- 02 R 713679dab424ec90714734966f8439b88b82bc1b37a5d42c7108f3c4339de634
- 03 R ecb51dcaca3c4d9f3de821fcae3f596d54be4fc771afa79a79dc31a0c22f92d4
- 04 L 019497de61aef47dc37f87405d315b30c407adb430328b0a78e5d88c4f30c5d8
- 05 R 4a6ef3edad5a0f00e5e9067024ab72a109ea4ea565bb1615bda0fae45c0b40f8
- 06 L 8357abb9fff9415d638b20e0ee0a30517df151277be838f5894f2311f14a6bdd
- 07 L 4944610db04a768df0261f98d8ae2d75de9e946a0a235af5367bb70bfedd6bbb
- 08 L 38b81c4c90b1ec0dcf79c5e7fb3a33a0d4dd7f1dffb97d4f668899db660070db
- 09 L 1592e5653e55fb31e38b3c4a2b2c4b25e847be723710aae79c81ba415caa4ef9
- root ff86ccc865a1e411142f2856bee2aed530d75e5ae38f8448707addbf3bb0d5be