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 ₱10.3M contract to MA TESORO CONSTRUCTIONCities
Transaction hash:
2c76edd64efb2f32c5fb86160c369c28f3272a673bbd7ac52df7be8ab64ff59f
Status:
Included and unchanged
Block:
#5,100 913 blocks after it
Position in block:
Transaction 86 of 529
Award day:
Mar 22, 2023 (3 yrs 7 mo ago)
Value:
₱10,278,264.94
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 #5,100 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 MA TESORO CONSTRUCTION on 2023-03-22.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 2c76edd64e…4ff59fnow …
- 2. Block Merkle root changedstored ee5123c4c1…ec27b0now …
- 3. Block #5100 hash changedstored cd988adc6d…3bcc87now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 528 records. Each step hashes the current value together with the sibling shown.
- leaf 2c76edd64efb2f32c5fb86160c369c28f3272a673bbd7ac52df7be8ab64ff59f
- 01 R 2ce1a528f36fadb99dd3ff075fef1682800f9f00069ed8de562fb74e9ae88477
- 02 L 665c5b5316accc826a22b9aa428b18f3b71c2a249e628354186b37cb4a8dec48
- 03 L 2996e22f563bcab529f498520de27b8bdde226168f8fbb7bde38d537d0ccbdec
- 04 R cc402b3cb014d02e9c788ced5f29db2d6208bb4f960806546d851476837d5988
- 05 L 75ba9912f86a13f2ea3b3d9545b7cb8e97d30002668fbef0b9c53393bf8f90c0
- 06 R 3d5a007a34745139e4f1dc6fcf9332229cca6824802a1e6bb26c9e064d961bb2
- 07 L 6ab6a79bdaa3ad994a07429463efc162ef246fab092b8786a676a272d5410c8d
- 08 R 6f57e9b572fccbbc3dc5511b2c4eaad1c125c791df6f14720e1be6ef1069650b
- 09 R 946766c9bace20eb8b391a906b7c83a7db872c698632616906dc3e6d03acb58c
- 10 R 1cb7a19e9cad73b92f597e16a1cccccc64720fd6363362f3181a280aa3a778d1
- root ee5123c4c1fe25c87a28480768fc71bd7d08798a5d13111020a7643761ec27b0