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 - MAIN Award a ₱19.4M contract to GCI CONSTRUCTIONNational agencies
Transaction hash:
25f16fce6c5eb3ef09ebae6ac1df8a91d2c67e75ae36ff6e2ea531473dcb2fc1
Status:
Included and unchanged
Block:
#1,073 4,940 blocks after it
Position in block:
Transaction 2 of 18
Award day:
Feb 16, 2011 (15 yrs 8 mo ago)
Value:
₱19,396,205.92
Project:
CP 23 (11Z00006)
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 #1,073 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 - MAIN awarded it to GCI CONSTRUCTION on 2011-02-16.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 25f16fce6c…cb2fc1now …
- 2. Block Merkle root changedstored 89ebd3c53d…d8142anow …
- 3. Block #1073 hash changedstored 6f8eaf2ce4…72d503now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 17 records. Each step hashes the current value together with the sibling shown.
- leaf 25f16fce6c5eb3ef09ebae6ac1df8a91d2c67e75ae36ff6e2ea531473dcb2fc1
- 01 R 3eb801998e81a44efd74282de7c54e20d4a38af3e52c3f64cb63f2142381c99f
- 02 L 647e63f039c5c82d6b8dc47fd4cf08c2661af840237f9008b01df6247c7ff904
- 03 R c8c08ca796c412e599bd8c4c50bc14cd0eefd07e8aa702f8c3b1660f55e18b26
- 04 R fdea8a60184f20822601660087c187a147706d2bdadbaa6c2ab2dc9e979781e4
- 05 R 90d751a3900ed0ce76ea65e688d0da66b3bda3bb2043ed509ce048f0b3c5d622
- root 89ebd3c53da5ea4060e1a254e01016d110b9d826a522ee79b2ee220349d8142a