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 ₱18.3M contract to A.C. RIVERO DEVELOPMENT CORPORATIONNational agencies
Transaction hash:
b4c2797aa4cdf6eced2bcb7b7a53db9c10950047ef4984159fda988f91e213a9
Status:
Included and unchanged
Block:
#3,323 2,690 blocks after it
Position in block:
Transaction 331 of 490
Award day:
Feb 2, 2018 (8 yrs 9 mo ago)
Value:
₱18,305,590.54
Project:
Contract ID No. 018OB0062-Construction of Congga
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 #3,323 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 A.C. RIVERO DEVELOPMENT CORPORATION on 2018-02-02.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 b4c2797aa4…e213a9now …
- 2. Block Merkle root changedstored 1cdde112d9…604673now …
- 3. Block #3323 hash changedstored b11dd4410b…63c1c1now …
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 489 records. Each step hashes the current value together with the sibling shown.
- leaf b4c2797aa4cdf6eced2bcb7b7a53db9c10950047ef4984159fda988f91e213a9
- 01 L b46cd7f9e36de2107bda6eb1de202ddeacb60093f2a91149b2a800325ddc9480
- 02 L 0da5bf2cdc2e410c0ab042b5705515edaa5bd68e88efb4e09f24b28fda6911c2
- 03 R 77f784ca4d60624b27a159fc0d5a95ab1c50c04205e88bc8f1c748022c0fa0e9
- 04 L d334bc8d5ce61e01a59b2f1f74863eab7b2a93b676fd084f4c21a228c3a68383
- 05 R 7ec5b7baec7ffbf6e7752b59e93fdad8a57128c37750471fdea5214e8f1f584d
- 06 R e605b9bec97dcb7b383ec05b1b999c9fd40734b3478db36b165345e527be941c
- 07 L 3d8089a2971e3a99054765e75a61f7e04fff3a5563a8697200ecc09f8889c58e
- 08 R b334eb7400f012260f3e944dd17bee92e7e5cc6dc6956854a1ae7b1ff4115719
- 09 L d842a3ff806953359ac764dba27a13e1e16486650d854cf14ded087f77512aba
- root 1cdde112d9ba3edc920ed24cd8f6c8c61154f98ca82f6ceeda20da848c604673