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 - CAMARINES SUR 4TH Award a ₱47.2M contract to IA FERRER CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
e2b0e69ff1c0146286b8fa0daea82c04245b6b5f8974a62aa89fcc9e0e54b023
Status:
Included and unchanged
Block:
#4,371 1,642 blocks after it
Position in block:
Transaction 267 of 302
Award day:
Feb 23, 2021 (5 yrs 8 mo ago)
Value:
₱47,211,122.42
Project:
21FG0039 - Construction/Improvement of Access Road
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 #4,371 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 2021 CSSP", i.e. the FY2021 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 - CAMARINES SUR 4TH awarded it to IA FERRER CONSTRUCTION & SUPPLY on 2021-02-23.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21FG0039: 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 2022-02-19). 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 e2b0e69ff1…54b023now …
- 2. Block Merkle root changedstored 2a0e270b6d…9c5be1now …
- 3. Block #4371 hash changedstored 2dd1fdfd0f…c03fa4now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 301 records. Each step hashes the current value together with the sibling shown.
- leaf e2b0e69ff1c0146286b8fa0daea82c04245b6b5f8974a62aa89fcc9e0e54b023
- 01 L e20e948712710a9be26f2f7f80b445de0b8c2ae74538a6da98a276e5c83bc447
- 02 L 1cbdfda8f55861220919da902026f54118cf84375f68cfd5e7052e9cae1016b0
- 03 R e764f26a977a0b32944741bdfeedf1d9b5040883f9e9ba783f0518be2a181237
- 04 L bf26e10c3bdedad38ba3b688b7ff1c141806a8e1b48b79340547277f4a2c13a4
- 05 R 9e5bb0edc95bc7a4dbea4fbe13c451d929d213e0b12f2990902f16cf6a9783ee
- 06 R 68f66123a179b33ae00fb7d4a83b20fe56ec18fc1e26890cd8f702d143ab9dd5
- 07 R 252b94cebdc0998aa37b2953b074bbc3783f8b3ac4b6c168253b8bdf4eceea77
- 08 R 1e91d18f23039ed2cf54cc42acbb9fd1bf9ba56d69ebbc32374fd5e08ba2eb0d
- 09 L a6fcfaa5120c18c749333b760f3b29fc8aded969c4705745771e40d5b059df33
- root 2a0e270b6dbdfd5f8e3d15092f7e012bb47b05fafd4a74fbb39041cca19c5be1