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 ₱39.2M contract to ALPHA & OMEGA GEN. CONTRACTOR & DEVELOPMENT CORP.Provinces
Transaction hash:
044246bc8f98aabc3a4ae4a414c8822842a47a042a7eba147f34dd3942f6d371
Status:
Included and unchanged
Block:
#4,119 1,894 blocks after it
Position in block:
Transaction 3 of 177
Award day:
Jun 1, 2020 (6 yrs 5 mo ago)
Value:
₱39,158,747.06
Project:
B20200108/2003-2628
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 #4,119 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 ALPHA & OMEGA GEN. CONTRACTOR & DEVELOPMENT CORP. on 2020-06-01.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 044246bc8f…f6d371now …
- 2. Block Merkle root changedstored aea465dbdc…39140fnow …
- 3. Block #4119 hash changedstored b95b0c6668…2b6848now …
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 176 records. Each step hashes the current value together with the sibling shown.
- leaf 044246bc8f98aabc3a4ae4a414c8822842a47a042a7eba147f34dd3942f6d371
- 01 L 035061683fb91575ffad576ce92c4a667c631038b8af372eec81b78458d2108f
- 02 L 9e3799d8ece3ba8359ab5ce5de5b62b6dc1fa1c706034fe740b7876fb295b609
- 03 R be5dc581b0dcdda7504db0ff85eb6ebdf78e2d23ccfbc72b00a61422f2d85a7a
- 04 R db5e7bc592ac0184a0a39047617cb4c5e0c6f6931ba3303cbbe234ce465c8c2b
- 05 R 8f7bab52a5353a9f33a270a9482134f49559e2de2ef92feba708b945279e9621
- 06 R c554fd18899505231245f1dd17ff84cf6e40e289b035d2e101b7eeb53f3b3df3
- 07 R 3dd7a77a78b97bc3579ca0ed4bfd4d97a6022646d25bed47c2c26ed2a24995fc
- 08 R 893b355d0902b33458389b6771fba88c09a89bca94a99a6490b8568a9ec59699
- root aea465dbdc7c5140a452ada4a871dbc2f3a0e0df5a60703f241990c6d839140f