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 - ALBAY 2ND DEO Award a ₱9.9M contract to DN'D CONSTRUCTION & DEVELOPMENTNational agencies
Transaction hash:
aee2ae916ca9aa760a66014dc42413344d2ccfe1292dbe5c66a65ab2eedd8b97
Status:
Included and unchanged
Block:
#4,706 1,307 blocks after it
Position in block:
Transaction 949 of 1,424
Award day:
Jan 31, 2022 (4 yrs 9 mo ago)
Value:
₱9,874,560.96
Project:
Legazpi City Punta de Jesus Rd. - K0563+208 - K056
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 #4,706 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 2022 OO-1", i.e. the FY2022 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 - ALBAY 2ND DEO awarded it to DN'D CONSTRUCTION & DEVELOPMENT on 2022-01-31.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 22FB0010: 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 2022-05-11). 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 aee2ae916c…dd8b97now …
- 2. Block Merkle root changedstored 8e3eb8e530…7f5c44now …
- 3. Block #4706 hash changedstored 4808261ae5…b28888now …
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 1,423 records. Each step hashes the current value together with the sibling shown.
- leaf aee2ae916ca9aa760a66014dc42413344d2ccfe1292dbe5c66a65ab2eedd8b97
- 01 L aeb0d96f4600a55c14b8115c46567044efe8b4d9d0b21764019b18eaeba4ed97
- 02 R a0854b658c993f94815e3b2a8e0f09be898aa2847a0fbeda303a40998ce54fad
- 03 L 1259f6c21df9971ab24119427f8606ad06b334d94a2313d04afe3fa7fd6bc2ca
- 04 R 4ef280482722277f6dc2a05fed2f0ad1910827378fd9114775974c3c661a5dfe
- 05 L 8c2f844b14a6f7a50ab6b50f009dcb8e8d365a20edf71bd73e7e781669847e0d
- 06 L c794a0e78d7d6c65e212e1135fb88155b13e8d769fe34e97aa8253e906be663a
- 07 R d0c9f4eccf7f2df868f033d259520ea74585156e75e9f4426561fb736b29cfd6
- 08 L 043822bcf6c52785e7c8c7662e3e67e0735e232720011a18bd0976b31749aafe
- 09 L 716eec66970aecc6069680f6e911bb7044159a699fc485847f162b1007e5eb59
- 10 L 0ba28e7dd92ca98d7ac5d608ab5049ce5645eb0b6a0522022be7892c29509e3a
- 11 R 731ffe27e0b2c3c2198c1f1759abf9ef8e2b643122a8e12e96c5485d110f0dd5
- root 8e3eb8e530abbc90e1ce078f07f2e2efed95173240a714b8f0d927e4cd7f5c44