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 - MARINDUQUE DEO Award a ₱15.2M contract to WAYCON BUILDERS & CONSTRUCTION SUPPLYNational agencies
Transaction hash:
8a8cd12376ea46fa4570a663299979133a05e303b7db6d638b80a285d87bacb8
Status:
Included and unchanged
Block:
#3,427 2,586 blocks after it
Position in block:
Transaction 142 of 274
Award day:
May 24, 2018 (8 yrs 5 mo ago)
Value:
₱15,193,160.36
Project:
18EA0110
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 #3,427 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 - MARINDUQUE DEO awarded it to WAYCON BUILDERS & CONSTRUCTION SUPPLY on 2018-05-24.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 8a8cd12376…7bacb8now …
- 2. Block Merkle root changedstored d4b0737d5e…81a760now …
- 3. Block #3427 hash changedstored dacdb4d4da…1f4af1now …
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 273 records. Each step hashes the current value together with the sibling shown.
- leaf 8a8cd12376ea46fa4570a663299979133a05e303b7db6d638b80a285d87bacb8
- 01 R 8e4808c5afe4a4b3c675ca9fb4bdd8b9b8d85647b372d7f9973c8aa59218ed02
- 02 L cdc0b238cd7eb9e796e799634759965a0313049833bbe5ca68b494dede22834e
- 03 L 66ef1a7684700cdb0b3a1ca3e24b319be9a1cc5282d811ca21e129e588283779
- 04 L 47347bfa022f97c73a0f49a4f128ca1d487542db323d5c5f27c8d3aee37ff750
- 05 R 088e221fe1fb63c669a6bf9db17c2baef7b3ec60765af103f214fa4d358a2bf9
- 06 R e8d06030ea28437364c6bf4b95b6d659adb0e953b920e32c2a361a532bb1c43e
- 07 R 13f319a3848b049ba3684ab741a52f7e6d8201883dab7a8c8701eaaa69d1f778
- 08 L 7e3845908f3edef55fa03ae42f0fa24da880d34a20fa375bc770bd5af95d6f8f
- 09 R 77b66b371219ba4b6499e39ab3a32ccdc1d3051df1f4ecc6ecc60f679c7005f2
- root d4b0737d5e3ddafa89da7a8a4a403b5570a1a8769d78d0b1a71af297e881a760