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 5TH Award a ₱1.8M contract to E. GARCIA CONSTRUCTION CORPORATIONNational agencies
Transaction hash:
0bb6dd31384cc40d08c4aa7683b05d2f094f8d49faeca5ab91841067a4f6bd2e
Status:
Included and unchanged
Block:
#3,840 2,173 blocks after it
Position in block:
Transaction 11 of 255
Award day:
Aug 6, 2019 (7 yrs 3 mo ago)
Value:
₱1,801,883.76
Project:
Construction Project
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 #3,840 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - CAMARINES SUR 5TH awarded it to E. GARCIA CONSTRUCTION CORPORATION on 2019-08-06.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 0bb6dd3138…f6bd2enow …
- 2. Block Merkle root changedstored 31415b291b…83a90fnow …
- 3. Block #3840 hash changedstored 52e4ea7740…b00c74now …
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 254 records. Each step hashes the current value together with the sibling shown.
- leaf 0bb6dd31384cc40d08c4aa7683b05d2f094f8d49faeca5ab91841067a4f6bd2e
- 01 L 0b3864271a167a37e305bffd9b5bfb0454f517d98386b198a4913526aa3f7de2
- 02 L a40a61f6f32bcc833537e57389e211f64f1e6a3fa948bb3dc7257223dd6a270a
- 03 R 8f5b7034af1e7ba1ad3a67744327d0e9655111aad6574c11630faec063b1d6f1
- 04 L afd8c2ee8e9f13e63098b24c3dbb2618b0b92b64ef254c112a5033393b8d3f3a
- 05 R 28dd793a1aee0a4b7e435fcd47e758508f145e22a93c7d1e33e12c1738c53460
- 06 R 270d208f3ae878ffd008f1b4702c848094be5bc0a0113db0db79bb39433e2179
- 07 R c8d4100ba9912d743c65076dc84cc405fe371f9b585dd9e7ae965e109342a79c
- 08 R a549b856ff677c8f6613df7acdc3217083114ce5a82d181bd11bc944f995f75e
- root 31415b291b84e18d5b66dbf824991154b468085cc65ae43db1a5f2eeb483a90f