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 - DAVAO DEL SUR 2ND Award a ₱5.0M contract to AL HANDASA CONSTRUCTIONNational agencies
Transaction hash:
4c324d6a6d9dbfdba2e03e2190cdc2b6f93c38be77e41584f6d4a86ffbed7edc
Status:
Included and unchanged
Block:
#3,508 2,505 blocks after it
Position in block:
Transaction 0 of 11
Award day:
Aug 18, 2018 (8 yrs 2 mo ago)
Value:
₱5,041,127.62
Project:
18LE0111
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 #3,508 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 - DAVAO DEL SUR 2ND awarded it to AL HANDASA CONSTRUCTION on 2018-08-18.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 4c324d6a6d…ed7edcnow …
- 2. Block Merkle root changedstored df1ab58e51…0e543dnow …
- 3. Block #3508 hash changedstored f268220e75…9d609enow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (4 steps)
How this one record is tied to the block's Merkle root, without needing the other 10 records. Each step hashes the current value together with the sibling shown.
- leaf 4c324d6a6d9dbfdba2e03e2190cdc2b6f93c38be77e41584f6d4a86ffbed7edc
- 01 R 61e4105b8add3a39a2ed35195fb8b8bbbe90118e6aa02e78e100b6ba6eb36a7e
- 02 R f6ead8a1eecf6d150ad374a3f47643e09a833cf48ef6068ea616c8d7bece8443
- 03 R 55c04f7cc83f8bbda47d3c89e4d9b4476eb4d205b403a0f22df3ab7cf5623456
- 04 R 15a735dbe8e5ec8c44d3618d71ddb5d6a5eb4f6171ea3d1c57f586fd33953464
- root df1ab58e51345bd958ff8eb7382553bb85789d7f672429258cffa4315e0e543d