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 (METRO MANILA 3RD ED Award a ₱47.2M contract to LARSEN-DUTCHER CONSTRACTOR CORPORATIONNational agencies
Transaction hash:
9f710962eb17b4cc62389eef48adea8165a2043747e442ff8fcf4234ed559f98
Status:
Included and unchanged
Block:
#4,741 1,272 blocks after it
Position in block:
Transaction 327 of 513
Award day:
Mar 9, 2022 (4 yrs 8 mo ago)
Value:
₱47,187,217.46
Project:
21OD0177
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 #4,741 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 (METRO MANILA 3RD ED awarded it to LARSEN-DUTCHER CONSTRACTOR CORPORATION on 2022-03-09.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21OD0177: 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 2023-01-03). 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 9f710962eb…559f98now …
- 2. Block Merkle root changedstored 191b9acc26…db0015now …
- 3. Block #4741 hash changedstored 3e803faace…6d6551now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 512 records. Each step hashes the current value together with the sibling shown.
- leaf 9f710962eb17b4cc62389eef48adea8165a2043747e442ff8fcf4234ed559f98
- 01 L 9ebbbcb4970bfda9bacbd3322512ab61b3fdaa480789c5c1b99930cf8d65d3d3
- 02 L 9eaff26e5b9c038806226a39137360a2fa6af79fe113d9a58e5004fcf16778f0
- 03 L 047136d7602ea031f86369282f598c8e2f13c0b47fdf8cf1095a7510d37d566a
- 04 R 95e501e2e634d61e12dd24a665f702c150b3f81da6656409abaa98e334e2fbee
- 05 R 5cc4a265b425ede84814ac441d81b8ebcefc819e1480e8dd4ab22ba6925f8de8
- 06 R ef38c7122940a35f1ffd84b358c9ae92afe3b4e821716e2f4fb521b40c1f1e5a
- 07 L 7de3a027589be48a02c7f0590cc9bb8005b454d75319d8a602679cea29c070b8
- 08 R a556f134bd8bf92a48ebe4481545d8bcf145b550536858f4741c9f9769e37ea1
- 09 L 1c3889c5138a5041d3875635e43fca692b7d2b46adb04370e5bd529babbd97b5
- 10 R 7acf7a5c6af91058e835d546df50fd1d082f2cc2cd7410eb10d000fa4f0641c4
- root 191b9acc261877749f208dc92d5357c0b8cc1d7d5f15be58588d765460db0015