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 - LANAO DEL NORTE 1S Award a ₱2.8M contract to MCA BUILDERNational agencies
Transaction hash:
311b8b7287cd3237900dfc5f20dd4fc63c9f9d65e1373bc24d55fc4339bb3e18
Status:
Included and unchanged
Block:
#4,062 1,951 blocks after it
Position in block:
Transaction 28 of 143
Award day:
Mar 25, 2020 (6 yrs 7 mo ago)
To:
Value:
₱2,750,786.22
Project:
20KG0061(Rebid)
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 #4,062 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 - LANAO DEL NORTE 1S awarded it to MCA BUILDER on 2020-03-25.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 311b8b7287…bb3e18now …
- 2. Block Merkle root changedstored c2f49d780c…6fdc38now …
- 3. Block #4062 hash changedstored 8f6dfef5ed…b07f22now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 142 records. Each step hashes the current value together with the sibling shown.
- leaf 311b8b7287cd3237900dfc5f20dd4fc63c9f9d65e1373bc24d55fc4339bb3e18
- 01 R 3504148e6d485891fd718c295e3d7fc4b917584009ec67b483e1ae0ed23d04d6
- 02 R 5bacd8472fcd0527604ad748b0d679ef37c5b444f66d8cf2235a096424665302
- 03 L 65afff2416a574c2b3aefd1ba14f11fde1e19d56509e157a936dc4e1335b0ce2
- 04 L 95b21a06f03ddf57364abe81e6f4401f79e746ffad36838c3bf2bf20e25fd1a2
- 05 L 340f42f8f892b09ff267827fbfd0aee5d1bda865c78a9b2b6e02f65416157601
- 06 R 547db0d3389b24ae20b477a27f277f088ab5afd77e8d7f397b83a4cb9b40d727
- 07 R c5de56679aaf95b7f2055cce6aff5fe9c9a79bfcc80e0ac94f6334db7b15befb
- 08 R 6a8a12de61c30ecc8181abaeafdc151860f267822f6c3f39fb2d95d56038c07c
- root c2f49d780c3e932a9b1386483032bfa3fcf399efb0b895150cc24e532f6fdc38