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 - BATANGAS 1ST DISTR Award a ₱11.6M contract to TOPTECH TRADING AND CONSTRUCTION CO., INC.National agencies
Transaction hash:
f08ee147c3c663ba80a508afbff08ea96c5a5e37bd48c1fd814235c09f2b34a4
Status:
Included and unchanged
Block:
#4,535 1,478 blocks after it
Position in block:
Transaction 156 of 165
Award day:
Aug 11, 2021 (5 yrs 3 mo ago)
Value:
₱11,581,539.90
Project:
FMR
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 #4,535 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 "Outside Infra - GAA 2021 DA FMR", 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 - BATANGAS 1ST DISTR awarded it to TOPTECH TRADING AND CONSTRUCTION CO., INC. on 2021-08-11.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21DB0164: 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 2021-11-19). 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 f08ee147c3…2b34a4now …
- 2. Block Merkle root changedstored 1f954e75fd…ef7375now …
- 3. Block #4535 hash changedstored 2a5ed888b9…ec85b2now …
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 164 records. Each step hashes the current value together with the sibling shown.
- leaf f08ee147c3c663ba80a508afbff08ea96c5a5e37bd48c1fd814235c09f2b34a4
- 01 R f2f5ce4c17552857922afcc50222b138fe4eb69c57a0494c83a4812b2bc7422d
- 02 R 0b9ed10e29598f5999fba8846e5b67e667927c03e50ce9afe955c53149422dec
- 03 L 37573c490c48093b8bb608079139c44228f08c6439be5d47e7c889468543f926
- 04 L 23257276a36caff1b9a4031865d8cd0678593d425912294cf1af1c4a2884504d
- 05 L 9bc4cf9f3c355dab559d802a239412dffc8e5a3e1976cc113c07f469393007dd
- 06 R 0c10d7a1e70ba01a8cba74af4cbe698fb71ca952b9211af6a1feb0edfc135f85
- 07 R da23c06c94d3ec64bce9186e0ef4229bd3976bb21380c932e2e49b8348a007aa
- 08 L 6e86bad18a3d4ccf848b4ed5b6d7bd93163ed79e995b490560ba2be6eb5bb8dc
- root 1f954e75fd63676bdbbcbbe78cc7f567c70bc0f0c9feff1550420b1b46ef7375