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 - COMPOSTELA VALLEY Award a ₱28.8M contract to PMMGS CONSTRUCTION CORPORATIONNational agencies
Transaction hash:
30c402870dc6dc296f5eab4190551f04c663f5f7c70d69a1ed6ddcdd8ecbf033
Status:
Included and unchanged
Block:
#4,190 1,823 blocks after it
Position in block:
Transaction 39 of 175
Award day:
Aug 12, 2020 (6 yrs 3 mo ago)
Value:
₱28,838,341.25
Project:
20LA0349
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 #4,190 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 "Outside Infra - GAA 2020 DepEd BEFF", i.e. the FY2020 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 - COMPOSTELA VALLEY awarded it to PMMGS CONSTRUCTION CORPORATION on 2020-08-12.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20LA0349: 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 2021-03-15). 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 30c402870d…cbf033now …
- 2. Block Merkle root changedstored b4b48319eb…1f4fdfnow …
- 3. Block #4190 hash changedstored 87fb28dfdc…3c4bc0now …
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 174 records. Each step hashes the current value together with the sibling shown.
- leaf 30c402870dc6dc296f5eab4190551f04c663f5f7c70d69a1ed6ddcdd8ecbf033
- 01 L 2f82412b06ffd97d6ff9a560207bee8f7684e5abcfa7c4ab8e5ad313640cce1f
- 02 L 86b9a5c4d6e417d176ee4a4d61f7f7c1f64135564ea0b42c9f6e3af0406b9d1c
- 03 L f5af28a33e93ba039c326701bf21b43fdb6d7ba8932c2507a9c015b183ec2686
- 04 R 518c73d3c24ce63281e981efcc0c64c4dd99dfed5105c8a21200e671ee43fd8c
- 05 R b11503a9a7ead0f0ed472c9c016bb126c65161abe020ee00d114e3afd811824f
- 06 L 96aabd1c5a38fea285dbdc823c078cd05accd3f47daa72d14941877e48728e3e
- 07 R 775a273afbd2db2909944c4f87e429caab4af52ffcfe17b57e3ecd7f151081c2
- 08 R 8d1b72b5447f8ff882f3989fc42e8f910d0965d37045a880cc5d938974ad7669
- root b4b48319ebc0d611a1627e52c45c934af14bf73a1d39ac222264e278ac1f4fdf