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 STA. CRUZ, ILOCOS SUR Award a ₱2.2M contract to PRECIOUS CONSTRUCTIONMunicipalities
Transaction hash:
bde2ced2c10d96b900f94f1e642b93ec13edad52f14ca86a09f7b21d7e287476
Status:
Included and unchanged
Block:
#4,269 1,744 blocks after it
Position in block:
Transaction 91 of 130
Award day:
Nov 3, 2020 (6 yrs ago)
Value:
₱2,186,534.00
Project:
Dredging & desiltation of Bayugao River
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 #4,269 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 STA. CRUZ, ILOCOS SUR awarded it to PRECIOUS CONSTRUCTION on 2020-11-03.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 Santa Cruz 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 bde2ced2c1…287476now …
- 2. Block Merkle root changedstored 2183a50e43…8068e3now …
- 3. Block #4269 hash changedstored 0d2d35245b…9ac2c2now …
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 129 records. Each step hashes the current value together with the sibling shown.
- leaf bde2ced2c10d96b900f94f1e642b93ec13edad52f14ca86a09f7b21d7e287476
- 01 L bbdbf01c5f04955b1a449d05a5fb3b911110abb5c4eac9437471d869f702db7f
- 02 L 65dca18db2c2ce42e93748af1e1355aa982eabbdb477e408f6201d88f9ee9ff2
- 03 R 72e38738024bee2a50dde8db20b0f28bb374c650f5e83dbb1e82e1484f6761cc
- 04 L 342e9c82e98fc041665e0d1f0abf7fc4d32f17709cbb2e1388b13c348080bfe3
- 05 L 6c171fc7077a538b95ce146e48e7389da9622310ebc60654689e4995ea144624
- 06 R b499362b8e75bd9ec46ef628958b0a302bf25560a26cdd08969e22d9db880a4e
- 07 L bd22e2e5ccf5740ce2867720de8426f6f87cf6e008d0292d892399c2d5c45c45
- 08 R 2bbc6ea5ca416e071a6427b1f150e002149737e764309d854e3eeaf954742c1e
- root 2183a50e43db546497d8a2510f575afabadb15864d8f69dcb559bfe2c38068e3