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 TRANSPORTATION AND COMMUNICATIONS - MAIN Award a ₱67.5M contract to E. GARCIA CONSTRUCTIONNational agencies
Transaction hash:
1f87a02249fcd2bcac3597c1ade616eb5a73fd8e09b60f8035217cad4e32c4bc
Status:
Included and unchanged
Block:
#681 5,332 blocks after it
Position in block:
Transaction 10 of 74
Award day:
Sep 4, 2009 (17 yrs 2 mo ago)
Value:
₱67,456,881.95
Project:
NAGA AIRPORT DEVELOPMENT PROJECT
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 #681 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 TRANSPORTATION AND COMMUNICATIONS - MAIN awarded it to E. GARCIA CONSTRUCTION on 2009-09-04.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 1f87a02249…32c4bcnow …
- 2. Block Merkle root changedstored 374cac6afe…c81adanow …
- 3. Block #681 hash changedstored 93b0a50970…efb02cnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 73 records. Each step hashes the current value together with the sibling shown.
- leaf 1f87a02249fcd2bcac3597c1ade616eb5a73fd8e09b60f8035217cad4e32c4bc
- 01 R 20fed1067a3b80f729ad6be884b54190ec509fb01a07f19554c4ed49a2e9c9c2
- 02 L 8ac365aa6f4718b36b1642b76c6b93d1160438307648a005850e2115ff2d543a
- 03 R 4c782b3c071878fa8401bc8c082a28ece92fda2fe4deff6856a829d4a27431a8
- 04 L 67bd3e673200b9d5918b4b0b5597aea49ddefa9787318b213b5fcf7fe07dba25
- 05 R 5b1aee7bc96acaad73a4c75078aaa573f143a4489337515750a9cfe79a1ed7e0
- 06 R f22356c6153d077e2e795e7c3f0db1ea513f1fa4f26b10eb0aafdcb82a3792f5
- 07 R 88a496a77b2d2077ab2c2d43566a17e837b85d5d1f05ce2bebbb36e80c01fff7
- root 374cac6afecd31323dc6c5534cd9607e2da6d59b45e0f3e45980029e96c81ada