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 3RD E Award a ₱7.3M contract to C.B. TAMPENGCO CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
01f2e09cb00d3248f9e16992edb894737729df81df749a3a46167e79e9b46d52
Status:
Included and unchanged
Block:
#2,662 3,351 blocks after it
Position in block:
Transaction 2 of 291
Award day:
Feb 12, 2016 (10 yrs 9 mo ago)
Value:
₱7,260,609.99
Project:
5OD0115
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 #2,662 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 2016 MFO-1", i.e. the FY2016 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 3RD E awarded it to C.B. TAMPENGCO CONSTRUCTION & SUPPLY on 2016-02-12.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 15OD0115: 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 2017-02-01). 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 01f2e09cb0…b46d52now …
- 2. Block Merkle root changedstored bcfc9cd978…5d3e25now …
- 3. Block #2662 hash changedstored 5b06d223d4…d686cdnow …
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 290 records. Each step hashes the current value together with the sibling shown.
- leaf 01f2e09cb00d3248f9e16992edb894737729df81df749a3a46167e79e9b46d52
- 01 R 0382b79e07f2e541168b010ec1c6281cc9da853de72a71c0f67456ce19b78b88
- 02 L b2c608bbabe6b32b27c41960ccb83e899722198ace2f3e093bfcb015e4e5e36f
- 03 R cf994e1d8adf973e778857a0f2f5cf2c986344fdd2edbc6dcfc9f5490a81eb45
- 04 R 425fc3de11a7f2a932460d0aa2d6b247195a65d0f682ed133f0162daf9d0af5a
- 05 R 43f16d613444ecd174537518d0c741d1d4c0cdb125221060f09481703afde9e3
- 06 R cafaec624dbc30dced518eca58094913a00e72f255c4889145d404a08573e96e
- 07 R 034690c46a9428ea24cb668db6c5512634dfe28d801402a1a4a919da41a1cc12
- 08 R e2f6a4b9296ddfb1390e35540b54ac6589107465830de93451cfeb951a920530
- 09 R 1e6020196e1d25c1c4995a1f08e54d562d08a2538385e02eb5fc87273bbb7b84
- root bcfc9cd9785ec4fc60127f65d7fe815064e5f1532136ecc33dcc0269bf5d3e25