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
POLYTECHNIC UNIVERSITY OF THE PHILIPPINES Award a ₱22.5M contract to GLOBAL V BUILDERS CO.National agencies
Transaction hash:
c9edbfba2d5e487cd40c456f6aa2944cc4be4f44f2f293d5018de367ee5d4786
Status:
Included and unchanged
Block:
#4,939 1,074 blocks after it
Position in block:
Transaction 120 of 158
Award day:
Oct 6, 2022 (4 yrs 1 mo ago)
Value:
₱22,506,961.14
Project:
Repair/Rehabilitation of Main Water Supply Lines
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 #4,939 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)POLYTECHNIC UNIVERSITY OF THE PHILIPPINES awarded it to GLOBAL V BUILDERS CO. on 2022-10-06.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 c9edbfba2d…5d4786now …
- 2. Block Merkle root changedstored 6c28654f7d…06f06bnow …
- 3. Block #4939 hash changedstored c53c0baf45…4100afnow …
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 157 records. Each step hashes the current value together with the sibling shown.
- leaf c9edbfba2d5e487cd40c456f6aa2944cc4be4f44f2f293d5018de367ee5d4786
- 01 R c9ef62b64715ba4413b3ab972f824baf9375ee413b7394d26e23274dc7753151
- 02 R 03085d03b69db70a48fa80b5a495d6f12c28c834cc11d51dea9277733e26d595
- 03 R d6d20c392a98c64d93a2c11aede94c3f86e7e3344d97b504c495e4ac1a30e4a1
- 04 L 171f3dc682350a54efb373356217d5328276218a76af306ac6730160a14d4766
- 05 L 2f4694fbbdd124e61eca1b57548521215e815adb82a267dcff23f2b232ea2957
- 06 L 8e96c604363aeda6a724a29747e055bf2bb3c3f5c9727fb2eaa0deed2d8384c3
- 07 L 39bcb3206283f25991f36ed32333debc2ec170fb910f0f4cbde276b9f7aabf50
- 08 R 0442d5adeefdaaba1db9f2ffc430ca424f2cba1d1de723ca8d889b88f4591efd
- root 6c28654f7d52340b97cecc65a2b729256ab071af1520ef04fad19ab16d06f06b