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 - BOHOL 1ST ED Award a ₱69.3M contract to N.N. YU CONSTRUCTION, INC.National agencies
Transaction hash:
e97a0db12946cabe0ebfd0210fa202ae6f97a1dcf1741eb656b360dfb5128ee3
Status:
Included and unchanged
Block:
#5,305 708 blocks after it
Position in block:
Transaction 273 of 297
Award day:
Oct 17, 2023 (3 yrs ago)
Value:
₱69,250,000.00
Project:
23HA0117
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 #5,305 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 "Regular Infra - GAA 2023 CSSP", i.e. the FY2023 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 - BOHOL 1ST ED awarded it to N.N. YU CONSTRUCTION, INC. on 2023-10-17.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23HA0117: 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 2025-12-12). 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 e97a0db129…128ee3now …
- 2. Block Merkle root changedstored 106bbff9e9…4487d5now …
- 3. Block #5305 hash changedstored 2d224d14ba…a65b14now …
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 296 records. Each step hashes the current value together with the sibling shown.
- leaf e97a0db12946cabe0ebfd0210fa202ae6f97a1dcf1741eb656b360dfb5128ee3
- 01 L e8b7f817e46516ebc46680f9936c3e68761a0c2e28249c2511d745351e6534d0
- 02 R 92e5ec1e28a2a2832a8bb1fa63e716af276352e87525d53cea24da99423376c9
- 03 R a83bbae870e162539a66107f115c1549a92141ec6fccc7f8ee7c31f672046eb4
- 04 R e198b8fe08aeeb98526b1cdbc1925dd5d3e24ef621b3f56702b1e3b70a996513
- 05 L 10b4607d8e5b15fd667e84fdb5c62e58b2a7bd8e4145f658817fc7a75086d014
- 06 R 30fdeaaef0ef1a25b97a4b8bca98b02d14938ddd4a922cb9b47cff11dbc28389
- 07 R da74f6055ee0035fd3e901b7a624579cd628d4ac3222f053d929f480a9b3005c
- 08 R 77f1ee4b4fdc63a166de699fe09b87f039309e4383a0c92903f63e0a90500886
- 09 L c0c84aa2ed6cd4bbf43415d247726165ebb49478e3c7b1d2ddb938b42613d764
- root 106bbff9e926b9f3541e1586b2a609041656f87d750d545426309b3a7c4487d5