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
PROVINCE OF IFUGAO Award a ₱284.4K contract to MERJAN P. HAMBON GENERAL CONSTRUCTIONProvinces
Transaction hash:
a51d2ca20bc5e9e69db28d458381beef5ef92a30832059e5f6f772b7127af536
Status:
Included and unchanged
Block:
#4,719 1,294 blocks after it
Position in block:
Transaction 578 of 878
Award day:
Feb 14, 2022 (4 yrs 8 mo ago)
From:
Value:
₱284,351.82
Project:
Package 13-2022 SVP - Improvement of Pakawol t
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 #4,719 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)PROVINCE OF IFUGAO awarded it to MERJAN P. HAMBON GENERAL CONSTRUCTION on 2022-02-14.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 Ifugao gave a "qualified" 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 a51d2ca20b…7af536now …
- 2. Block Merkle root changedstored b443a37048…20c5a7now …
- 3. Block #4719 hash changedstored 75715c1da3…cf0b3dnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 877 records. Each step hashes the current value together with the sibling shown.
- leaf a51d2ca20bc5e9e69db28d458381beef5ef92a30832059e5f6f772b7127af536
- 01 R a70a783cc26e201a178c9afc76b890fdbb41a5bc7bfcffd79aafe549495aaadb
- 02 L 7f04e971a70d21c58559b1bb40cf00c424e854f02d19d19609d5449106803f75
- 03 R ef4fb87830ae331a0fa7a0520339b2d2257e925e90af34a361fb5beb0b4d815b
- 04 R a084773f9d73747d012c7243d27ed623cd6fdcce1ba91e58585a7f702ad8f891
- 05 R f94aa186adb93818e73562895164b6245db9fd9addc61bf20b47568f85b19b87
- 06 R ade6625f42013393eef0a8c55f9a647c446d97bac467e03e8bb1002a3d9bdc49
- 07 L 0446ed3dbaeba67f1d8b172eee937cc90a15b09d05da28d0ab6450209598143c
- 08 R 787e16b83e112bdb06c02ed49da1075dad3eb93dc13e9add38d1005ca9cfeb88
- 09 R 9e86202b93c8b810976be13ba9b9c8c5a93d7638f277e6655e77a30281182599
- 10 L 2978e8b0267cd5942d8f0a04f8710be20ace4d89cf8b16e7004392e7314bf79b
- root b443a37048a6ab7970a0cd1660f58bc1f1564885e1d60b3289a8f02cda20c5a7