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
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NORTH COTABATO 1ST Award a ₱48.5M contract to GEMMA CONSTRUCTION SUPPLY INC.National agencies
Transaction hash:
1bc4048bdf2dbd0a6d13e585f97d948a484e0d8e829933fb7071c24d55ebabea
Status:
Included and unchanged
Block:
#5,087 926 blocks after it
Position in block:
Transaction 38 of 353
Award day:
Mar 8, 2023 (3 yrs 8 mo ago)
Value:
₱48,509,097.24
Project:
23MD0035
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 #5,087 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)DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - NORTH COTABATO 1ST awarded it to GEMMA CONSTRUCTION SUPPLY INC. on 2023-03-08.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)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 1bc4048bdf…ebabeanow …
- 2. Block Merkle root changedstored f64728d96d…a44627now …
- 3. Block #5087 hash changedstored 3405dbcf06…66d62dnow …
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 352 records. Each step hashes the current value together with the sibling shown.
- leaf 1bc4048bdf2dbd0a6d13e585f97d948a484e0d8e829933fb7071c24d55ebabea
- 01 R 1d46881f0fd0c0a00324db903f7394756bd21d1c70d1519077a0bf6999f06af5
- 02 L b120ed9108e51ee0f7ee4f2e17b963a075d0a1c605ed512b9d2c491e280b8e26
- 03 L 7a74110c20f2d582c4233a598024b16b50d72a439dc55e9a683daaeb182dfe4c
- 04 R 10e5f5329c05bb8e20c8ef1a488673cc731e43f986a98d86c8196b647df394d3
- 05 R 137ca22d6984d2d971da2803bcd53b3ea8d5c71b341d172c16e6aee3de8dbffb
- 06 L 978e2d56d57b26935fc7dfa06867628b5d1f78ab4fb570abcc7d39bbc2aa6032
- 07 R 22541e418bf2ce73586434449889f97891913dcdcdcb4c7c3bf14e520a6d6c18
- 08 R f630601fba8901d824c4880cc9057cad9e651a8c2ef1b94349d0553720d2f2ab
- 09 R 6888e1fcbdfe75121a15c563f6fc384bf3e8c7caf463d1ec7f4dd0a804becac7
- root f64728d96d24196e6980aac3896e85b36299c204276777b87c96d2e1e9a44627