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 SANTIAGO, ISABELA Award a ₱9.8M contract to NTL BUILDERS & DEVELOPERCities
Transaction hash:
8d88abc04a5dbf5fce1acedfdceae04253577eb42e261c4e904433604ec3bd4f
Status:
Included and unchanged
Block:
#4,683 1,330 blocks after it
Position in block:
Transaction 112 of 204
Award day:
Jan 7, 2022 (4 yrs 10 mo ago)
Value:
₱9,767,204.23
Project:
Construction Projects
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 #4,683 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 SANTIAGO, ISABELA awarded it to NTL BUILDERS & DEVELOPER on 2022-01-07.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 Santiago 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 8d88abc04a…c3bd4fnow …
- 2. Block Merkle root changedstored 6876ac4745…416df9now …
- 3. Block #4683 hash changedstored f64939ad7e…e22fa7now …
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 203 records. Each step hashes the current value together with the sibling shown.
- leaf 8d88abc04a5dbf5fce1acedfdceae04253577eb42e261c4e904433604ec3bd4f
- 01 R 8df63b3e135e8e1ee515538b6cb14b5d871eaefbcf804d6505f72de492ec3b57
- 02 R cf1eb067617c218ff3225de899a784f8adb8333cd0f38b39740af414b67ba0f8
- 03 R 7348f6f5f5cf7287296811e61f3811594dcf7867880e690205b2fa4c16e0e36b
- 04 R ae939ba77e8284132781bdac2f0ce78bccbcc95135e4f20d1b9366ea668d7af0
- 05 L b765effd2a4f0ed7d2eb98564bc0adea121a1504fa8a1501a1c4b76bad6537d2
- 06 L ab6385c95b6380a4521c55c2553c7a90ace4dae6cfe8fbdd22966a1b80af051b
- 07 L 8f748757ad3c626e2715dbeb77237c388dc2b87222b649ae7fd2685f3f2f42c1
- 08 R c58ac9e8d4abd7d358fd78788692c1d08fd93e91de4ac1759172cb28773c33d9
- root 6876ac474555dfe7596b66e464e4efefc0a97e91475f122b4451920f04416df9