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 ₱6.6M contract to G.B. CARLOS CONSTRUCTIONCities
Transaction hash:
eff2bb8d04f03025d94cd4c3c2a97670068f5c1f57c75d580e1d58aec7a0eaec
Status:
Included and unchanged
Block:
#3,640 2,373 blocks after it
Position in block:
Transaction 234 of 254
Award day:
Jan 3, 2019 (7 yrs 10 mo ago)
Value:
₱6,605,487.50
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 #3,640 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 G.B. CARLOS CONSTRUCTION on 2019-01-03.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 eff2bb8d04…a0eaecnow …
- 2. Block Merkle root changedstored 66067fa3bc…96ed63now …
- 3. Block #3640 hash changedstored 4913168f1f…d15b3dnow …
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 253 records. Each step hashes the current value together with the sibling shown.
- leaf eff2bb8d04f03025d94cd4c3c2a97670068f5c1f57c75d580e1d58aec7a0eaec
- 01 R f0b3a779b21680f8aad92ce94f7e1fb9fc3df995866077258548ac85b8628c7c
- 02 L ae4bcbc15e35745c1a6eb1778edbe82aebafb65f12d01957979a65bf738c296f
- 03 R aeef0e7497161f9bcceffdac37af5afc2e188e60f1f9bfb8432df250f70e663c
- 04 L 1551dc22e89ae7d7a68dd59509c8e31f0db72e05b055ae6d8ac683bbf1683adc
- 05 R d255189d4571fce844a82608e307962b26b1662d74379de2a5236ebf82bcdeb6
- 06 L 032750e01482f036b2a356072305c000894c3fc271b9e7d22c26bce0cc22aca0
- 07 L e17613251196832ff7a0b64f55d5951855413413d915aa3b31216c047ac048f5
- 08 L 6e33f90e9335f80db3239882ac202a8f49cdd10599e554f57400fb14edf9a23f
- root 66067fa3bc426e3aaa16ef7b48a4ced5b628314b2d5e81b1323fb41ec996ed63