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 - LEYTE 2ND DEO Award a ₱19.6M contract to MEEK CONSTRUCTIONNational agencies
Transaction hash:
b4bc2f40c0528cbb3ed27f5fc45184c7d073b9250cff1f3aebf7e40cbfe27613
Status:
Included and unchanged
Block:
#5,768 245 blocks after it
Position in block:
Transaction 661 of 927
Award day:
Feb 10, 2025 (1 yr 9 mo ago)
Value:
₱19,580,609.07
Project:
25ID0018
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 #5,768 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)DPWH lists the funding source as "Regular Infra - GAA 2025 SSP", i.e. the FY2025 GAA. The exact UACS line is not given.Partly
- 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 - LEYTE 2ND DEO awarded it to MEEK CONSTRUCTION on 2025-02-10.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 25ID0018: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2025-05-16). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 b4bc2f40c0…e27613now …
- 2. Block Merkle root changedstored 2ae7cb6b53…4bb3f9now …
- 3. Block #5768 hash changedstored 0399ea4bf9…5a4180now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 926 records. Each step hashes the current value together with the sibling shown.
- leaf b4bc2f40c0528cbb3ed27f5fc45184c7d073b9250cff1f3aebf7e40cbfe27613
- 01 L b4a40fd87702f5517c99eee990ca175eaaa9907ab16b624cf0268e19d07cf0d2
- 02 R 93a1a4f097659df832ef92f62037f4c36d4ade6b86c3d939c75c1373fb05a940
- 03 L 233d2d5219e4a475f2b5f4dc0c24f5d18d5003d189e877dc972a22efadfe2317
- 04 R b27f3be68f89db2b4bed775d671ae926cea976a53c3261d6bae9f5fe97098f92
- 05 L 79b20f90fc94b2911ebd06bf8dfb263d9ef955ad95ba72335706e2724e3f2e9d
- 06 R 4bfdd4e6936adadc3be719362fe0ab25afc1d11a5af1d2753002e075a45f37aa
- 07 R 6788b31997fc04ba0d618cb3c40b45575df46d23bab28df3ab5551547c3bb523
- 08 L 9c666b644e156246993a3f97e3325cb180c6e1590df60e662f80e2ac340038fd
- 09 R 388f63c3bf942c081aa226f0a0551fa55698f4057ac81b739b617f1049514f31
- 10 L 14d0bb50e00db4da4273b6240a533f7d4098bd8f50b5bbe9108106fbb7df868f
- root 2ae7cb6b533692fb620c8caead3af3e6e7aebb394d1b6e9a7b30a7e8d04bb3f9