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
MUNICIPALITY OF CATARMAN, NORTHERN SAMAR Award a ₱1.3M contract to RB SANCHEZ CONSTRUCTION & SUPPLYMunicipalities
Transaction hash:
04544b4cc258ac0cff8a4d37745388656a5993ab8b03c7c6c75712f743c959e1
Status:
Included and unchanged
Block:
#3,407 2,606 blocks after it
Position in block:
Transaction 0 of 204
Award day:
May 2, 2018 (8 yrs 6 mo ago)
Value:
₱1,294,985.02
Project:
Const. of Drainage Canal in Brgy. Yakal
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 #3,407 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)MUNICIPALITY OF CATARMAN, NORTHERN SAMAR awarded it to RB SANCHEZ CONSTRUCTION & SUPPLY on 2018-05-02.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 Catarman gave a "unmodified" 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 04544b4cc2…c959e1now …
- 2. Block Merkle root changedstored c8f82da269…57212bnow …
- 3. Block #3407 hash changedstored f74577ca10…651256now …
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 04544b4cc258ac0cff8a4d37745388656a5993ab8b03c7c6c75712f743c959e1
- 01 R 04d198ca4fa6a1309efa4b47c08155a6d1ae0ea7e51e00eb39b855fec41188e5
- 02 R 4fc01d6e0bdd6743d9c2b5ac13c412470618a782645302430c98ec479bccd3a7
- 03 R 5bcef3fa95525d8f971404897ea0e0f65615bdb3e780b4f92753d974d16ad5f5
- 04 R 988ccbafee095070fa78849ad1005aa7851c2dacd81a86161b9a8717cc97d0ed
- 05 R 075d05591a684c7657d8153bdf245c5e2da4477e0aaa9f705f667483440da667
- 06 R 21a3f7305ec1bb5bdf5aa65fe4131b3547ce78e35aea8e6abab8e28b18659f92
- 07 R 5ab34aac388e1afb148af303ebabcdb6b6deb81f3c46761d325982e0c87ba75a
- 08 R fae1c3375261dad1132222fbf26ce8a630af4d0d8508ace6124729aebec63164
- root c8f82da2696ceb36f38a05f5f805a7be12bdebf45c348fa9edd73806f557212b