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 OCCIDENTAL Award a ₱10.0M contract to AL-AMALA CONSTRUCTION SERVICESProvinces
Transaction hash:
fb52b65dbdf75892f0ad68a15a2523ed24bd13dcb6b46ed021d62b6aac5f9da1
Status:
Included and unchanged
Block:
#5,823 190 blocks after it
Position in block:
Transaction 315 of 323
Award day:
Apr 7, 2025 (1 yr 7 mo ago)
Value:
₱9,980,373.10
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 #5,823 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 OCCIDENTAL awarded it to AL-AMALA CONSTRUCTION SERVICES on 2025-04-07.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 Occidental 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 fb52b65dbd…5f9da1now …
- 2. Block Merkle root changedstored 720aba5c57…c5f5b3now …
- 3. Block #5823 hash changedstored 9c2e0c7ce0…898cc8now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 322 records. Each step hashes the current value together with the sibling shown.
- leaf fb52b65dbdf75892f0ad68a15a2523ed24bd13dcb6b46ed021d62b6aac5f9da1
- 01 L fa2c7407901323a85f2d88f05666188e98b93d8c15f410c9054beafb920cecc1
- 02 L 20b57304fece82c77ff4fb552cf7554e005736001577c688d9fea83548aed5b2
- 03 R 2884699b03035585c51db30c342213fc374ec19be949be9ccb94f7812b0eb9e0
- 04 L 36e50e0949bcc472401b75770b31ae45bb1278578cfed79a5d36e483c5041481
- 05 L 063b92ba5b0eadff1452928d743ff6320a89604ea4b69779f03fedbe028169c9
- 06 L 2c245d1e2154b7776d0d27622c56b166155cc1fbbfad3435749887c0da3c2abf
- 07 R dcdfff52d3d20ab64d42a78cd671a5939c9d3c6e444851fd7cf0f41421a048ea
- 08 R 698f18d1257acad7388b4943867961c399610e772f7f3376a539c76af8ed3f59
- 09 L 207c79ba89510d1e755d3c1a2006187a98290c4859c4d818a82f1d452ed60bcb
- root 720aba5c5707e1261cb6b2c19f40759b518acff51164601507d1274d8ac5f5b3