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 ₱70.9M contract to DAHL CONSTRUCTION CORP.National agencies
Transaction hash:
bb14d3ffeda361f9fb265fb573cdf0eec74027e1e8c2351ee5b12016701ca921
Status:
Included and unchanged
Block:
#5,402 611 blocks after it
Position in block:
Transaction 924 of 1,281
Award day:
Jan 30, 2024 (2 yrs 9 mo ago)
Value:
₱70,926,646.27
Project:
Contract ID No. 24OB0181 - 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 #5,402 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 2024 OO-2", i.e. the FY2024 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 2024-01-30.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 24OB0181: 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 2024-08-16). 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 bb14d3ffed…1ca921now …
- 2. Block Merkle root changedstored fea979ef5b…4e0ca2now …
- 3. Block #5402 hash changedstored 07247fe492…0cb1e5now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (11 steps)
How this one record is tied to the block's Merkle root, without needing the other 1,280 records. Each step hashes the current value together with the sibling shown.
- leaf bb14d3ffeda361f9fb265fb573cdf0eec74027e1e8c2351ee5b12016701ca921
- 01 R bb27550bdcd6ceed5798d8de1acb08c0359be50cc9a0867c30e2adba4f62038c
- 02 R 49f5bcbe036d1169b3d6009cbf3b68794fb0eea10f189d272f31e1ec9bd80469
- 03 L 7e8fdb0a28af2ca96d1a875c0b48a530630211fd33a6c504aad1b698ec06b7d8
- 04 L 210dd8814f866d33ea9ba6cdd07c7bcfca0a1b572e8f33e8fcf8bcd64be14248
- 05 L 6e140b9a6d56f94c4fe938111b7e5508d1d77f32ba37e4f04e47d79d1b24cdee
- 06 R 1290f5f87acf02d17d050d2eda6f34ab0b7c4f885610594f9192d36b1eaa8016
- 07 R ffcc5e8f637afaf2b76d225806bfcb29070efbff768353ea55dd553757250e80
- 08 L 632aa4270addaddcc942529acc55741088923cb038c284980ba247a4b001fa7f
- 09 L b58f70932756e61e7ba78472dc6e70ab7834a359c44b77844a9870204d0b7bda
- 10 L 58662ce46edcde76bc7249649e4e9780b07f03b604a6f67aea59908d76f6e1ce
- 11 R 13c80613e86d86caef988946ea1ec1157690d7ecc797c0edfa4d99a57f7debc5
- root fea979ef5b3346763a4302d3868b51bf665bf83db12c5de62ac2259a4d4e0ca2