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 CITY II DEO Award a ₱494.4K contract to LANDEVTECH CONSTRUCTION, INC.National agencies
Transaction hash:
cdf7e48b0b4fa1257a556dfd3f8b2dd46bf16fec43d0deb1fd003d6c83fd6e4b
Status:
Included and unchanged
Block:
#4,395 1,618 blocks after it
Position in block:
Transaction 239 of 299
Award day:
Mar 19, 2021 (5 yrs 7 mo ago)
Value:
₱494,395.51
Project:
21LH0039
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 #4,395 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 2021 LP", i.e. the FY2021 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 CITY II DEO awarded it to LANDEVTECH CONSTRUCTION, INC. on 2021-03-19.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21LH0039: 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 2021-04-27). 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 cdf7e48b0b…fd6e4bnow …
- 2. Block Merkle root changedstored 5d9dbeccdd…cbf79cnow …
- 3. Block #4395 hash changedstored 2492c9bf3b…5dff42now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 298 records. Each step hashes the current value together with the sibling shown.
- leaf cdf7e48b0b4fa1257a556dfd3f8b2dd46bf16fec43d0deb1fd003d6c83fd6e4b
- 01 L cc45200776f08443fe5d3657c9286afd571a8efd4f07bd2c5c9316fb0542f740
- 02 L 9322be1fbc09ffbfca61b45fb60ab909aeab707ac53e7e753af588d2055c52c4
- 03 L 7b15f2fac7068d7928cf8e9d26c7147e0c1257413c52b6f2c94690dfe3fb5d6e
- 04 L fc8e1c3645107bbc76365f135dd0e5f98eeefbbf20d39fe68ce341861f252a7d
- 05 R a477ea21892081c461acf2009373222ada27962f399c72efcaad86e2357f1b7a
- 06 L 55515b3b287d1dd6199fe0d3a66d76defd4bba6b32a69cdf681a7e15dc420788
- 07 L 34bef0f41707851abcb5d75c3d666a052ec780734a21933d557e620b7ca00798
- 08 L 980f0ccd8632df251e37cc4c9cccbe054482e366202319d215a2f7fef926d16d
- 09 R 4489eafa87172a9f0f297fed3b4cd272edd0c191fc7236dc06336f3f4dd3c30f
- root 5d9dbeccdd22e4660149bb320936071022f15eeef8e644c8a8af329828cbf79c