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 BULACAN Award a ₱5.0M contract to M.S. DE LARA CONSTRUCTION AND TRADINGProvinces
Transaction hash:
88d547b74d7fe0fbd9b7c6bbbb188c2c5426b7fd6cb40d475060c7c645887308
Status:
Included and unchanged
Block:
#5,600 413 blocks after it
Position in block:
Transaction 137 of 269
Award day:
Aug 22, 2024 (2 yrs 2 mo ago)
From:
Value:
₱4,979,995.50
Project:
PEO-2024-057
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 #5,600 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 BULACAN awarded it to M.S. DE LARA CONSTRUCTION AND TRADING on 2024-08-22.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 Bulacan 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 88d547b74d…887308now …
- 2. Block Merkle root changedstored 088e5f5a62…db17a2now …
- 3. Block #5600 hash changedstored c70042c3aa…a14f8fnow …
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 268 records. Each step hashes the current value together with the sibling shown.
- leaf 88d547b74d7fe0fbd9b7c6bbbb188c2c5426b7fd6cb40d475060c7c645887308
- 01 L 88cfb4db0a62a40c41540b74807b1b16e325ef6a1eb3537f2b9d5a8d18668cb4
- 02 R 3b2978f669bcc7b6233f97b4b514aa1e0a20580d43ec26353d4909c26c1aca9c
- 03 R a72639e32cb441d138e93baf1c6fee02abf4f71abe92431df60cc978a9d99bbb
- 04 L 32ebe862840a34da7a0e6578935e91c4a89c608630e85d37c43b17858307b19b
- 05 R fbacee3d5893900aab9ac2484b6526e5a8c8a1bfd6c724e3f38dbda142c756e0
- 06 R 1754dfa38fa52b90f04c844fb5eb2dfdbe65200152fb5f4b97eb7c7f10c18869
- 07 R d3b1131c90370303d31606b69b4e1f6e70f9360b24cf93d03a5232986f6a634b
- 08 L b830322e7b640458291a9849e2bbc629e15331a09ccd8a85097565d748349dc3
- 09 R 359b1f3cc1ddcc0bcca4b95f216403be7d1dea4563f6dfc735243a7f51e59fea
- root 088e5f5a62f9fb38c3220a7cc7f4d8c385e9216055443d41b5a9a5d99adb17a2