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 OCCIDENTAL D Award a ₱7.9M contract to AL HANDASA CONSTRUCTIONNational agencies
Transaction hash:
abb8a3263c03000c4b4937e20d17c26e04bae30187984a602c79db860ebd1d3e
Status:
Included and unchanged
Block:
#3,989 2,024 blocks after it
Position in block:
Transaction 93 of 137
Award day:
Jan 8, 2020 (6 yrs 10 mo ago)
Value:
₱7,862,769.88
Project:
CID No. - 20LE0034–Asset Preservation-Preventive M
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 #3,989 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 2020 OO-1", i.e. the FY2020 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 - DAVAO OCCIDENTAL D awarded it to AL HANDASA CONSTRUCTION on 2020-01-08.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 20LE0034: 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 2020-05-02). 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 abb8a3263c…bd1d3enow …
- 2. Block Merkle root changedstored 31af6ae8a7…13e70fnow …
- 3. Block #3989 hash changedstored 08b5c09766…ecbf40now …
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 136 records. Each step hashes the current value together with the sibling shown.
- leaf abb8a3263c03000c4b4937e20d17c26e04bae30187984a602c79db860ebd1d3e
- 01 L abb06c89807360bb471ef3ab113387501332c059d48261ad654e1e01b867eec1
- 02 R d87bdaa280a53b6d54859ad93bf5559d920b313d3424673a754b92733645ed20
- 03 L 702407ce0bce4adf67a20a7926ad79c4356e15010ccb062ecd759f00bf1599f9
- 04 L 7c939d1109819d443af78d6188420c2c6fab4988a5a6da36bfc957f3fe35e872
- 05 L 9df4065a81edb55b6201e6ba05fb531c89751cc5ea1c80391f65a7395c311b45
- 06 R a47215d66e5073eb6b68514f8023875e59b642b84f50d6074f4ca0c0fd19ab4d
- 07 L 2c683901c757fdca1c4211fa42ed1fe16b04e984e7fcdd1f123e5cdc2ea66526
- 08 R 9def9da89ea445888e741506e1acb0e24ad9940c81f9efe2c89982c499a11628
- root 31af6ae8a75cea92c4988ce2cb83bd5410d8826658ab6ad0c4a47feee313e70f