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 LA UNION Award a ₱3.5M contract to E. E. MADAYAG CONSTRUCTIONProvinces
Transaction hash:
f3d45b003539b2ca2aa29e12b715fbd569cf726759b79e78baa34fa0747aef1d
Status:
Included and unchanged
Block:
#5,217 796 blocks after it
Position in block:
Transaction 270 of 293
Award day:
Jul 19, 2023 (3 yrs 3 mo ago)
From:
Value:
₱3,482,500.00
Project:
3-Classroom Building at Narvacan ES
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 #5,217 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 LA UNION awarded it to E. E. MADAYAG CONSTRUCTION on 2023-07-19.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 La Union gave a "not stated" 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 f3d45b0035…7aef1dnow …
- 2. Block Merkle root changedstored 2d37585590…723b0enow …
- 3. Block #5217 hash changedstored a1f34a2496…9f2421now …
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 292 records. Each step hashes the current value together with the sibling shown.
- leaf f3d45b003539b2ca2aa29e12b715fbd569cf726759b79e78baa34fa0747aef1d
- 01 R f3db5f9ff3f07f247dfa2089436dda7d594d5110b194c65a6089b7f566d3867b
- 02 L 167eaf3f4978fa554db1824d2bb0e7ec98cb37450e7e5816316c3975bcbce3b6
- 03 L 4613991a391a0a65ce590fb31c60bced0b8504e76d9abe19d81345e8c51c5b38
- 04 L d03651fad92b5d80640592453424dc533c69a6dbf6db020ce345888e108d8bb7
- 05 R 02c759fec57ebde6869862a44c5696c32f04de63b05d8bc52f384d87146ce8ec
- 06 R c4db467cd6becc4d411c011200477250b0c76c6179bbe7c939ebe095ddf8e2c8
- 07 R 1c2fe441bc36600633956954429e7bcc7c72729af2c37823d89193e8e50465fb
- 08 R b07029a0fc392e9e79ff304f3b606c947f8770de0ba79e5ca89e5ea856ac5bba
- 09 L a07d9a8ea97f8cc9fc2e5c393a9fc56de638cd25a22a28bc009884870328b851
- root 2d3758559059944bef39b9c1c3bfbb2fe38881911ef45c2db47067b85d723b0e