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 ORIENTAL 1ST Award a ₱30.6M contract to O.G. SANTOS CONSTRUCTIONNational agencies
Transaction hash:
790014d04672bfcba7ea30fe810c3f17101b3ca1fbeb8067c2f6c094a9d131b6
Status:
Included and unchanged
Block:
#4,533 1,480 blocks after it
Position in block:
Transaction 126 of 257
Award day:
Aug 9, 2021 (5 yrs 3 mo ago)
Value:
₱30,600,764.00
Project:
21LF0128
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 #4,533 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 OO-2", 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 ORIENTAL 1ST awarded it to O.G. SANTOS CONSTRUCTION on 2021-08-09.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 21LF0128: 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 2022-06-15). 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 790014d046…d131b6now …
- 2. Block Merkle root changedstored 1d50b59a61…ec65b6now …
- 3. Block #4533 hash changedstored de0e2c7fcd…747bfanow …
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 256 records. Each step hashes the current value together with the sibling shown.
- leaf 790014d04672bfcba7ea30fe810c3f17101b3ca1fbeb8067c2f6c094a9d131b6
- 01 R 794f036f63ba0f822c586373067e3831d4b50718d98384fd9dc2434aa66dba9d
- 02 L bae5ce103272c1ef6440b38b00c718565746ca0d934401f0001e246bed2c8c03
- 03 L e2b2a373d2bcd981b0e3205e4de6d1b2a91ff548448b839e5244689f7482f25e
- 04 L e6ce87baec355724904899285f9280fd6f254991f0562eb8770a3ae4d6cef581
- 05 L b4153b2d13b9073d5145b752b519573008eac0ca2a636e3194a5c93207d6e271
- 06 L 46b235bf00b918b6956b4dc4749a31c07b15d1158c36dbd358efa1df26d2bbc9
- 07 L fe9e75a68efc06e087104b5f8676e845011ffb77754a3b7ba7558d59aea7dc1a
- 08 R 66f7d039fffd454ca70fc028c3d00299a96746fe977c4cf4f921e0f1a43d8368
- 09 R a6b3b3159a5fad20a6c2d9db9f1f2275dd3c196ed0d7779cda0acf3b35642afa
- root 1d50b59a6160793b2cb711b883adc0345d6de4b69e6a25bec13a35b8b0ec65b6