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 ₱2.9M contract to C.B. TAMPENGCO CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
e849cdaf6cf95ef7af4a00d3285a238f376955f8987816e846182e06c4c6f699
Status:
Included and unchanged
Block:
#3,394 2,619 blocks after it
Position in block:
Transaction 163 of 180
Award day:
Apr 18, 2018 (8 yrs 6 mo ago)
Value:
₱2,865,032.43
Project:
18OD0183
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 #3,394 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 2018 LP", i.e. the FY2018 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 2018-04-18.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 18OD0183: 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 2018-09-28). 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 e849cdaf6c…c6f699now …
- 2. Block Merkle root changedstored dd7619eec6…ba324enow …
- 3. Block #3394 hash changedstored f55e6c6774…3aa374now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 179 records. Each step hashes the current value together with the sibling shown.
- leaf e849cdaf6cf95ef7af4a00d3285a238f376955f8987816e846182e06c4c6f699
- 01 L e783917ee990c71cf86dd514eaad52d366752ccac54d7c61ce3c0a74090e52dc
- 02 L 570a7db1b73d096ecb8c0193ab5283c2109558f1469a774d8a313b9a0fbfa484
- 03 R 909c49dafe7fdb7dfbe809e946bd45b51735b754d43b009776c757bbc53786ad
- 04 R d9e5f11d641a8eacc1ed58a4f75802fbd5ac3a2d7bc221e86cea4de245e589a7
- 05 R d7160cb9effd0566edaf1807dd3b606b7a221f11441a5af38d67597af5bcb296
- 06 L 6899505df56b81bd35898470ee0e994507cde1b6ad3bd40ac36f831400db721f
- 07 R 9cb3c7dca5c1ce01da38c2e303add51348e8fc445f79532391951ef79de579d9
- 08 L 009a30ca91c811cab520071a1ac6136ab5219fddb9ca0612e59f2e18005c9836
- root dd7619eec62af66ff23cf695307e7b38bbcf22e5207cce68a67140a0a0ba324e