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 - ZAMBOANGA CITY DEO Award a ₱2.4M contract to ESSA BUILDERSNational agencies
Transaction hash:
e239c8a6c0a49b9c4ba6fc8526d081c0069b97c156c7489fe6e096876d1872f1
Status:
Included and unchanged
Block:
#4,508 1,505 blocks after it
Position in block:
Transaction 193 of 219
Award day:
Jul 15, 2021 (5 yrs 3 mo ago)
Value:
₱2,369,314.19
Project:
CONSTRUCTION PROJ
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 #4,508 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 LP", 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 - ZAMBOANGA CITY DEO awarded it to ESSA BUILDERS on 2021-07-15.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21JA0051: 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 2021-11-23). 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 e239c8a6c0…1872f1now …
- 2. Block Merkle root changedstored 78c9f53dd7…ec4ed2now …
- 3. Block #4508 hash changedstored 874ec380b5…1fc7a2now …
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 218 records. Each step hashes the current value together with the sibling shown.
- leaf e239c8a6c0a49b9c4ba6fc8526d081c0069b97c156c7489fe6e096876d1872f1
- 01 L e055c89940f6e197014fd2186c5dd4e0dd4c671e584094bd767cb6c0afcf85d6
- 02 R 2f0ad853afc6fde43757e39b742bde0ec70d1f9fab6fa59dba0009ff9447abdd
- 03 R d64ee0b42f0c44a5834dedbffd2ec8f761497f8686e988c6e122cda58ac8469e
- 04 R fedf4251db3613c00f4c72908a56a100639e4b74060bb8ce000e06cecc2a74e0
- 05 R b03cb601de51d96fee278e591ad95f4f4cbb2362f692e72d7f173236e572a481
- 06 R c18c40eb9f1ac1b9fb4629d4ba6f5601b4d605e4b59307c3eeb01961f478061c
- 07 L 774cdac58c87ff753e7acf8206a955abd7667ec0484bb7a1a47a971d12932c2f
- 08 L 01153e4365236c7e9f6974300cc7a7108e840628dd3b366c40ea1a4d65f88069
- root 78c9f53dd7da95be83c72c39ba16d57b2444f65a8bc4557769c811d202ec4ed2