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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON CITY 2ND ED Award a ₱19.0M contract to A.L. SALAZAR CONSTRUCTION, INC.National agencies
Transaction hash:
b9d740373a650af533be260f513325a2570934f20fd8935fda3c0ac721e4646e
Status:
Included and unchanged
Block:
#4,947 1,066 blocks after it
Position in block:
Transaction 169 of 223
Award day:
Oct 14, 2022 (4 yrs 1 mo ago)
Value:
₱18,980,111.21
Project:
22OG0157
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 #4,947 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)DPWH lists the funding source as "Regular Infra - GAA 2022 CSSP", i.e. the FY2022 GAA. The exact UACS line is not given.Partly
- 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON CITY 2ND ED awarded it to A.L. SALAZAR CONSTRUCTION, INC. on 2022-10-14.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22OG0157: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2023-12-10). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 b9d740373a…e4646enow …
- 2. Block Merkle root changedstored baa3911d1e…e9812enow …
- 3. Block #4947 hash changedstored 04ef9157e6…eed0abnow …
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 222 records. Each step hashes the current value together with the sibling shown.
- leaf b9d740373a650af533be260f513325a2570934f20fd8935fda3c0ac721e4646e
- 01 L b969e17880f8ccd547386e0a7174abb3be3a2e700a46d5f02a22c871d24ff5a6
- 02 R 5d44ed82759ab641be9a7fd9cf9546eb7a4447adf6e5d39ec8a9a19977f84bc4
- 03 R d2b2d501313fc1d2258bfe911229eaaf3357f10a8b6d96cd789164823bcb3a56
- 04 L d3769cd15dc62fff9618f0362cc3f9fcb7f86dbe18222ad6dc624a56a3f295ab
- 05 R 381881573ccfe2d07581088f9c40b89b820a35b808f1627a6e7573bd6ba3e79a
- 06 L 2f3364f60b2a37f5f73e1dc9fc5303616470d2801bd46449c58e664b2ff716bc
- 07 R 0f03c772aef35edd01af8e46e9b61c209708eef0b4cb33097713b72e057e24d4
- 08 L b3529e44166e76cc81fac9d889003b465328669f1f759af3d5668afb498e4e39
- root baa3911d1eb727cc2d68a5bd0de334894f6b3ccd1b85d9ced0aa052158e9812e