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
MUNICIPALITY OF SAN AGUSTIN , SURIGAO DEL SUR Award a ₱2.9M contract to OLIN DEVELOPMENT ENGINEERING & CONSTRUCTIONMunicipalities
Transaction hash:
82fea76cb8a8a3136fa9b75dee4fc3825bb313c84f7b5545836e45278c10dd2b
Status:
Included and unchanged
Block:
#4,537 1,476 blocks after it
Position in block:
Transaction 112 of 226
Award day:
Aug 13, 2021 (5 yrs 3 mo ago)
Value:
₱2,934,758.64
Project:
CONSTRUCTION OF DRAINAGE CANAL
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 #4,537 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)MUNICIPALITY OF SAN AGUSTIN , SURIGAO DEL SUR awarded it to OLIN DEVELOPMENT ENGINEERING & CONSTRUCTION on 2021-08-13.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 San Agustin 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 82fea76cb8…10dd2bnow …
- 2. Block Merkle root changedstored 43d29d6c5c…c6939cnow …
- 3. Block #4537 hash changedstored 7e2789a450…6b453bnow …
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 225 records. Each step hashes the current value together with the sibling shown.
- leaf 82fea76cb8a8a3136fa9b75dee4fc3825bb313c84f7b5545836e45278c10dd2b
- 01 R 8323d00c5a0b010a39de60d62439f0c41ab757a21e287ffc296787878b0f7d9d
- 02 R 37580137b890a4bcd09550a8f97dd03d82004088b758ad3c0cc2ada993dc89be
- 03 R 5ee69b93205ef95defb2ff3a5b2550ff93a5f85d845d9eb5583a28697e0b66b8
- 04 R 1f36b30ca4110912887be275803ef0449f0f78d2c21d03c5b53dc383987ec375
- 05 L 8873e448ec93d97fb5eadf91fac9469918c0f41f2a4e1fa011f8ab94f1d2cd13
- 06 L ee6ed8cef77257371f8259e2e315f4589c82d0491694aeafb03bb564ed6d8413
- 07 L 0b80ae08dd126bb566a5f9ca69dc1bc5e5f3d17d479fcfc494fa644fed5cc973
- 08 R 09759dad02836215336947fab9bdcad0df9e0152d0a788ae932133d1081bb1db
- root 43d29d6c5c412f1938350b6b60ebbaf28157572c735714f1101c2b6bbbc6939c