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 - NEG. OCC. 4TH DEO Award a ₱484.4K contract to FOUR SG ENTERPRISESNational agencies
Transaction hash:
cd9b715d929ca02c92e05d647202c4d1a29973690076f91dc0f86b53e9d3fa30
Status:
Included and unchanged
Block:
#1,407 4,606 blocks after it
Position in block:
Transaction 55 of 66
Award day:
Mar 21, 2012 (14 yrs 7 mo ago)
Value:
₱484,397.52
Project:
Construction/Repair/Rehabilitation of Multi-Purpose Building (Senior Citizens Center), Valladolid, Neg. Occ.
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 #1,407 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 - NEG. OCC. 4TH DEO awarded it to FOUR SG ENTERPRISES on 2012-03-21.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 cd9b715d92…d3fa30now …
- 2. Block Merkle root changedstored e958648c32…0ec6ednow …
- 3. Block #1407 hash changedstored 03e977f8d7…721e49now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 65 records. Each step hashes the current value together with the sibling shown.
- leaf cd9b715d929ca02c92e05d647202c4d1a29973690076f91dc0f86b53e9d3fa30
- 01 L ca03ae342518ed33c5f12a604cc0c0c7034d80b602171967e53ccec125fcc9d3
- 02 L 8ba27b7860edc1d093d31e083db9846674dd5015ee83634ef7ed32b9c8d73df6
- 03 L fb3c026880a26c2518a542342a1f2c1d846c1a95d8e3ae48934fcaeb063e8645
- 04 R 339c732e3185267a1f6f4c924ae340092c486fd4bd74a311a724c4ce2aea2663
- 05 L f2932d1702238a5bdca68d7f4a6eb242925e736219e7cb70cc06932232fab694
- 06 L 0d9bf292ba7c4bf7ac8d5791ffe5cc35431a2f9478c73cec7e1495d9ac24ca05
- 07 R fb5baa7b58c7727693acbeb00fb4b10bf8afb5db6eaa4fae5ea382c0d4c1109f
- root e958648c323ee86e77b578168646756b890f11e59e4eba4341b37133960ec6ed