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 - ISABELA 4TH DEO Award a ₱1.8M contract to MAR-DEB CONSTRUCTION AND DEVELOPMENTNational agencies
Transaction hash:
577efe3923555cc7cdfa5569bce0154e5f54268c08327ec2924710e59bf08ae1
Status:
Included and unchanged
Block:
#2,493 3,520 blocks after it
Position in block:
Transaction 87 of 250
Award day:
Aug 18, 2015 (11 yrs 2 mo ago)
Value:
₱1,805,711.61
Project:
15BH0030
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 #2,493 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 - ISABELA 4TH DEO awarded it to MAR-DEB CONSTRUCTION AND DEVELOPMENT on 2015-08-18.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 577efe3923…f08ae1now …
- 2. Block Merkle root changedstored ea0881250e…05fc8anow …
- 3. Block #2493 hash changedstored 2c7843bbd0…ecbab9now …
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 249 records. Each step hashes the current value together with the sibling shown.
- leaf 577efe3923555cc7cdfa5569bce0154e5f54268c08327ec2924710e59bf08ae1
- 01 L 54c21441fa82883d34eacf844fdeb7932f86f839e04ea7d334e6a26686adedb4
- 02 L 6c013b95b078dc005937b4e1828e22dbb5720dff4ff0ac67da469ece2917416c
- 03 L 6c57b352c0b1ff5b08edb0ec8cce404102c0f1efb8e4654da8d4cf7d8dc8b09a
- 04 R bb94fc79a1a16295eb053fd20c2c389bedb57ee72501c33e8d93ba48e792a6b9
- 05 L 749eb17fac447d1567d52179f47a937f228912eecc725c5ae4f5a01c485a37d1
- 06 R 36c5f0313a4bfd51543370a5e4780ddf0db990f8873015e4fadadbdc8a1b2fba
- 07 L 9d1afa086ac56cfee5011ffdbe9ee063912b363eaadde5e769d9d3ad771be46c
- 08 R 0412e13f225f83cbdf9b7325560b1f0828cc32a813b7b0258202a4dd0b3e09e8
- root ea0881250e626ce461d0e41e25637f011afb238847ee701132e98df2bf05fc8a