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 DAVAO DEL NORTE Award a ₱1.4M contract to PMMGS CONSTRUCTION CORPORATIONProvinces
Transaction hash:
7d245daec00cf66f5de96f98a75f81308428fcd0b0cf621597285e0cd90ffc7f
Status:
Included and unchanged
Block:
#4,817 1,196 blocks after it
Position in block:
Transaction 77 of 160
Award day:
Jun 3, 2022 (4 yrs 5 mo ago)
Value:
₱1,417,048.00
Project:
20220189B/2021090319
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 #4,817 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 DAVAO DEL NORTE awarded it to PMMGS CONSTRUCTION CORPORATION on 2022-06-03.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 Davao del Norte gave a "unmodified" 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 7d245daec0…0ffc7fnow …
- 2. Block Merkle root changedstored b8578d7fbb…6d5625now …
- 3. Block #4817 hash changedstored c9e41c9fc8…9b2eccnow …
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 159 records. Each step hashes the current value together with the sibling shown.
- leaf 7d245daec00cf66f5de96f98a75f81308428fcd0b0cf621597285e0cd90ffc7f
- 01 L 7bfac9a67fec5183f7c7ceefa044c7ee4f4703457ca306f35c1812b055584628
- 02 R ac5d9f1088bcf704e92fbbbfb844df380a15b7d64bbdcd9a53579ec39c1d667f
- 03 L 35f320aa64fe6ef87979e995ecea3ff080cfba1f5f47fcc86564792edf550ce6
- 04 L fdb45f70d2dfbced4bd0c673633ad24f869afd6b5f273559f4778dfd78fc9b68
- 05 R b38055605dacbbf7ec5c583de4ca982a895c02da4f93c4419da86595fb834589
- 06 R c6e29738897f513a259fe7a450f52f2cfab157bdb3d1e811f32a28deb6050108
- 07 L bd5dfe36f6e9e03b1249e100fd3110d9d511d1d47eba094774770ac3b79de196
- 08 R 919d4d7a3a4c02043bd420361aa3355f6a325d96718763bf4fb41ffbd49edba9
- root b8578d7fbbddff4494e9895848dd3825927a742f080597ee28479956376d5625