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 DUERO, BOHOL Award a ₱2.9M contract to DMAM CONSTRUCTION SERVICESMunicipalities
Transaction hash:
cd9e5df5189d3a3f2fa91095403b6e933a53634b864969ffaf8884d6a6f5ff71
Status:
Included and unchanged
Block:
#4,857 1,156 blocks after it
Position in block:
Transaction 119 of 143
Award day:
Jul 15, 2022 (4 yrs 4 mo ago)
Value:
₱2,872,750.13
Project:
Construction Projects
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 #4,857 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 DUERO, BOHOL awarded it to DMAM CONSTRUCTION SERVICES on 2022-07-15.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 Duero 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 cd9e5df518…f5ff71now …
- 2. Block Merkle root changedstored 0c91da4e40…476316now …
- 3. Block #4857 hash changedstored 73a9e463e7…cd2cc3now …
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 142 records. Each step hashes the current value together with the sibling shown.
- leaf cd9e5df5189d3a3f2fa91095403b6e933a53634b864969ffaf8884d6a6f5ff71
- 01 L cc9de251bc9bc3762bc3ab628280af251ce01463c9e6ab11b2499e4478cb7346
- 02 L 38a8a062b0bd49f652df879695f2d1f0c12b157d2eac72ec138996f61a002119
- 03 L 374b6529a2f067c3710aa332aaa4fd3155c04fb4c24fdf877477b39621fd4079
- 04 R 1c1785c0a08b1248d0829f63d9b3041aead1a0f1b93a520d9204dac397f372e3
- 05 L 89a1f52b7f0c6fd8ae21df9f41213790d2cf0bd0266326f821125238f4f2d296
- 06 L a6d3eb341019e1176e9a25cef52a4ee715b00694fe798ec90e55c0b9e716ad23
- 07 L b1a34a94cf5efa0f623bfbf62cf25ebf6cf4d060694fe08427fa26aa3552faf0
- 08 R 2f9dd9c884b837f7e54e01dc31e0cf13a84f8a2243270ba64a8e8d966b6f8bb4
- root 0c91da4e40ccb218d39388cd53d262d06dbea262fede7927acb21e0261476316