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 - QUEZON 4TH ED Award a ₱2.5M contract to WHEEBON CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
30d91c3f5cb8bb935a6c5def886f7089d0f159d5168d7b2f8f30fe826e294c71
Status:
Included and unchanged
Block:
#1,671 4,342 blocks after it
Position in block:
Transaction 17 of 85
Award day:
Feb 4, 2013 (13 yrs 9 mo ago)
Value:
₱2,517,396.92
Project:
13-DL-0003 - Cluster III a. Construction/Rehabilit
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 #1,671 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 - QUEZON 4TH ED awarded it to WHEEBON CONSTRUCTION & SUPPLY on 2013-02-04.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 30d91c3f5c…294c71now …
- 2. Block Merkle root changedstored ffe4be4199…38b865now …
- 3. Block #1671 hash changedstored 7e25c5fabc…430deanow …
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 84 records. Each step hashes the current value together with the sibling shown.
- leaf 30d91c3f5cb8bb935a6c5def886f7089d0f159d5168d7b2f8f30fe826e294c71
- 01 L 2f5c009fee438ae7348c2a0ebdc089f77de713f8032f39697ee79453d51dd031
- 02 R 02533b343f932b1de9fb6ae98bca0335bfff30ced3e172e7e5195063c00e2394
- 03 R 061a629a4a2263b8e6a3a55aef4e2036f43ae29b71eacdbd4a55e23170142a18
- 04 R df7ec08059b015c26b91d68134f620e0115ea7edecafedeefbe820bf3f03eacc
- 05 L c5c830fed28168d75afa15cc0b839ac9893691f12aa676d7d905fe8e3f597723
- 06 R 407059850f13d36b4c4229149985820dd7bc94872d0ad86b33c7411d83dc70d2
- 07 R 928ad4ac3fad0f8b272f1f5bc1302889477db9fe9b14e69b907d66c551f68ada
- root ffe4be41992622a1011d73f6365ac1a52ff670e15a708cb6961fa757b938b865