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 1ST E Award a ₱91.6M contract to DAHL CONSTRUCTION CORP.National agencies
Transaction hash:
448f16abebd61190782033db691e8de5d73cbfacd332ea6900576f999551f55e
Status:
Included and unchanged
Block:
#5,120 893 blocks after it
Position in block:
Transaction 135 of 520
Award day:
Apr 11, 2023 (3 yrs 7 mo ago)
Value:
₱91,578,156.14
Project:
Contract ID No. 23OB0433 - Construction of Slope
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 #5,120 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 2023 OO-2", i.e. the FY2023 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 1ST E awarded it to DAHL CONSTRUCTION CORP. on 2023-04-11.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23OB0433: 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 2023-09-15). 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 448f16abeb…51f55enow …
- 2. Block Merkle root changedstored 8a5f80c79e…601326now …
- 3. Block #5120 hash changedstored edfa01052c…7b02e9now …
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 519 records. Each step hashes the current value together with the sibling shown.
- leaf 448f16abebd61190782033db691e8de5d73cbfacd332ea6900576f999551f55e
- 01 L 443a8aa0cdc6d29b96e94043d45f807344c6c670c537b5f74ebffec6beed7423
- 02 L fe1cc0733fb80de3e556b3139b513338aa100dd2c98a061b64e84a38765be43b
- 03 L e79506c359010331aeae999510656d89ec59654928a809fc72b9cf8b52ea9b69
- 04 R 883c6d7e1fdf4ad9941b3b3ae4b7c034e853e3bf597aa126ca383531baa7a363
- 05 R e518a17a248093360964ef32233d8b650cd5bea07ab2cb178e6d85672619dc0a
- 06 R f3c986fd6f32fe88e94fa2e2cd6a8c8debc2424d9e4272b14c6205ebfdcf5951
- 07 R e3cd54b0b9a4a121f96ef52b9ae4b23dde2a7974f14e8108bbc5a33bfd15c6df
- 08 L a70fe352fce3e5a2854bcdbab6082553d8d45e7d71d11cff92bca38fb1390515
- 09 R 785af939f4a168a17065d8d7f0bb6de628d0b32b832d74ede18cbd917dd381de
- 10 R c8565703a79c38cd27ae393ab76acb0469c7be580ecf79fdb3680b799d79f8a4
- root 8a5f80c79e0e380850a8aa4677d763beab7f03a6f138855354f4909077601326