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 - SURIGAO DEL SUR 1S Award a ₱9.7M contract to TRIDENT ENGINEERING SERVICESNational agencies
Transaction hash:
4a42afbc8ad52fc20fda85089e215f2679da5a13e0ff6de8672fb338b8a4fc3b
Status:
Included and unchanged
Block:
#5,205 808 blocks after it
Position in block:
Transaction 65 of 258
Award day:
Jul 6, 2023 (3 yrs 4 mo ago)
Value:
₱9,710,923.55
Project:
23NH0067
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 #5,205 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 2023 CSSP", i.e. the FY2023 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 - SURIGAO DEL SUR 1S awarded it to TRIDENT ENGINEERING SERVICES on 2023-07-06.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23NH0067: 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 2024-07-29). 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 4a42afbc8a…a4fc3bnow …
- 2. Block Merkle root changedstored 000e91064b…ab4601now …
- 3. Block #5205 hash changedstored bb03357da2…f886ffnow …
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 257 records. Each step hashes the current value together with the sibling shown.
- leaf 4a42afbc8ad52fc20fda85089e215f2679da5a13e0ff6de8672fb338b8a4fc3b
- 01 L 4988040fd625e8d20ddb4590d4b5571397d12bbd54e173192860d0d677553afb
- 02 R edb647a14708e81a0b96e8d04787db7c1768ddda4389d3ed757c2be081cf1b30
- 03 R 265a0355e18b3d6b228b622f3f4861725fbb7720f11c02f648342f6acd3f9c5c
- 04 R 326240e7ff43bf6d249f5fd4ec197a2811531390d2d223d4d085211db0af9cbc
- 05 R de15fbfd4747b04ca5d8836c359369e38e4c47cfa102ad32b29f1840fd343c1e
- 06 R d21520dc9f6bf9fc599364fcf87821e064b1b18b35e4bbe28045216e68a2f3ad
- 07 L 412dea1c179e29a02c22a49eba64f479deb405d244c56b58d33a4bcb7c66e3a4
- 08 R ac4134d71ba76e12d399f4c155b916b4a632209d70b33248e70796fe3670f2aa
- 09 R 0d1a348bf81495ad29116c1c0556226f240f0308b737e5cf72664028d2b86c11
- root 000e91064b5968ae98742a736f70eff2d223a57e27af325811d274b15aab4601