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
DPWH BATANGAS I DISTRICT ENGINEERING OFFICE Award a ₱38.4M contract to AARCON BUILDERSNational agencies
Transaction hash:
3ac8f708c552ec10c10034965c2b315f56fd8eb8553439e75533d31ea78e7b57
Status:
Included and unchanged
Block:
#5,093 920 blocks after it
Position in block:
Transaction 117 of 516
Award day:
Mar 14, 2023 (3 yrs 8 mo ago)
Value:
₱38,406,720.85
Project:
23DB0048 - ORGANIZATIONAL OUTCOME
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 #5,093 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-1", 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)DPWH BATANGAS I DISTRICT ENGINEERING OFFICE awarded it to AARCON BUILDERS on 2023-03-14.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 23DB0048: 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 2023-06-19). 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 3ac8f708c5…8e7b57now …
- 2. Block Merkle root changedstored 2b7dfe6df8…3a0e3anow …
- 3. Block #5093 hash changedstored 544257f4f4…90668bnow …
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 515 records. Each step hashes the current value together with the sibling shown.
- leaf 3ac8f708c552ec10c10034965c2b315f56fd8eb8553439e75533d31ea78e7b57
- 01 L 3ab39c653b0a7075cbc86de9059b11a97c414ed68761e4c02ee0cc912eb4d013
- 02 R 63ee88f6c325a0f3d21f3c7a1a4aa524f514399ed27b0628fa49f5fb595f05f6
- 03 L e1ee39fac22ba8e8ca3b498130308decfd4d2290956f52c5b72cf8d5449ddb93
- 04 R 20a88bbc3d0d16ce49414dfc3cba4f169551a73d64307143e59a7d3792a54707
- 05 L dcc7578cc7ad3772c9e9b7da0ed9ae2213d952917c8270350d07196496c64e48
- 06 L c69267c69544d67dffd84f13d80bb32770ce76b5482b9ea4cf5fbac54f4c0927
- 07 L 6f39c6ce1f4f3dda33ab151437a5aee8a8f66653c5d212b01bc5996b5bf7b0fa
- 08 R c052aa3be4b5ae8bd700a66c2ea38310aad7752f8ab6b372ec0b893c4fdcbb90
- 09 R bc8fb0ea282b8122b555dfa50922b9a25649f8e61a67a2e39a31b499b84d7c42
- 10 R 7a07c4290de5a7fe66753e8a94c14114b51964e6aea90d70ded96159d19132ed
- root 2b7dfe6df89948a72938571143c918468165bc8628f84d97392a994c083a0e3a