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 - ISABELA 3RD DEO Award a ₱4.8M contract to MAR-DEB CONSTRUCTION AND DEVELOPMENTNational agencies
Transaction hash:
4cfa5b0fa933c77981b409a020cb95dfa25ed94f50a9589076b36a9f255d24c4
Status:
Included and unchanged
Block:
#1,923 4,090 blocks after it
Position in block:
Transaction 38 of 128
Award day:
Nov 21, 2013 (12 yrs 11 mo ago)
Value:
₱4,809,770.36
Project:
Drainage Structures
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 #1,923 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 - ISABELA 3RD DEO awarded it to MAR-DEB CONSTRUCTION AND DEVELOPMENT on 2013-11-21.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 4cfa5b0fa9…5d24c4now …
- 2. Block Merkle root changedstored b16869f7e4…42e0a0now …
- 3. Block #1923 hash changedstored 201fef133a…a6f0a4now …
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 127 records. Each step hashes the current value together with the sibling shown.
- leaf 4cfa5b0fa933c77981b409a020cb95dfa25ed94f50a9589076b36a9f255d24c4
- 01 R 4e9d7977170b8b9269ecedd2ee40199b52cad6aff598ca0a5aacbe60fe2fba59
- 02 L 0fdcb02b32ec079ecad0e351e2ca46ef09f518989454fa40ea480f6aa675f088
- 03 L 2b532871c278fcbff503e52c7b02f16c7aa6cefa11087c5bb9bdf14e69bad753
- 04 R c36577185ec3be87169ca05f05f3841485df453d1739b8cd6a916a0a85bc0296
- 05 R bc68d0f9d6fb9bc8379f66555b8499a8f8d80ba8ea2456c7d4eedd033ec8a8e0
- 06 L 5ba0a2afb154cfd83e78332af34a7caedd5200cf74afdb35fd170e751e5a8745
- 07 R 68f64fe9ac1a7731ccff1643d11f3b8f1b52f1e55435b97f37a2407b45da149c
- root b16869f7e424cb5fe43e195828e5ffb168aba9c73a763a17cb54abd25342e0a0