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 1ST E Award a ₱18.6M contract to PRECIOUS CONSTRUCTIONNational agencies
Transaction hash:
034375cb62e04b3f3ecac32e4a3b3c510de162036397e301039a8a5486d86e4d
Status:
Included and unchanged
Block:
#3,018 2,995 blocks after it
Position in block:
Transaction 1 of 158
Award day:
Mar 16, 2017 (9 yrs 7 mo ago)
Value:
₱18,619,502.38
Project:
Contract ID No. 017OB0001-Construction of Slope P
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 #3,018 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)The award does not say which budget line pays for it.Not published
- 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 1ST E awarded it to PRECIOUS CONSTRUCTION on 2017-03-16.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 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)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
1 of 8 documents found, 0 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 034375cb62…d86e4dnow …
- 2. Block Merkle root changedstored 9e98a8b262…684354now …
- 3. Block #3018 hash changedstored 3e9977dd9b…ecc38anow …
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 157 records. Each step hashes the current value together with the sibling shown.
- leaf 034375cb62e04b3f3ecac32e4a3b3c510de162036397e301039a8a5486d86e4d
- 01 L 0008e39ab080cdaeb77467498b6e6f76060c28565497bb9516454cd5f6dff256
- 02 R 034268eac76a5f57fe955ace1be51129fbfd50e4100d712677e4ce2cf18c2c7a
- 03 R 98c38292d720e7d011469ae63c482a2952142e87704eee47f985564deb1b2811
- 04 R c8ea5a2614d3a3446e308529c26b9c3033e503af604b1112223a9f90b4024f3a
- 05 R 409065042839af40f0e07a24982a32df5de8784dc3faeb9b4c198b83af7276c4
- 06 R e7922c1f7afd76e473f72ee6a60bb98bdc2f4b74acb58f5a3c7dc8a85158b7e2
- 07 R 1cba455bc377f17c68132c1badf1d228c17851bf0378f286f0e7c078472ec42b
- 08 R 603ade90b01953ba204cda13e77c3e239c97c49d5d05560a6b9cd1b03f7f948c
- root 9e98a8b262d662e7f6791a37d0dddd7b3e8ec901583e8593a1e3eac0e8684354