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 - ZAMBOANGA CITY DEO Award a ₱10.5M contract to AA CONSTRUCTION & ENTERPRISESNational agencies
Transaction hash:
a4c2a09402debf96f5f985e89becba5de103c326f04b8f1387e682557266d7e1
Status:
Included and unchanged
Block:
#3,595 2,418 blocks after it
Position in block:
Transaction 193 of 326
Award day:
Nov 19, 2018 (7 yrs 11 mo ago)
Value:
₱10,498,983.58
Project:
CONSTRUCTION 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 #3,595 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 - ZAMBOANGA CITY DEO awarded it to AA CONSTRUCTION & ENTERPRISES on 2018-11-19.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 a4c2a09402…66d7e1now …
- 2. Block Merkle root changedstored 04bfeaf991…510143now …
- 3. Block #3595 hash changedstored af31aa2bc9…1c4158now …
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 325 records. Each step hashes the current value together with the sibling shown.
- leaf a4c2a09402debf96f5f985e89becba5de103c326f04b8f1387e682557266d7e1
- 01 L a4a72851b0f74a22ef4ef42929cde46af294735cd40243ce78201099d2ee590c
- 02 R adc0804ac650ff3938015926efb7a8c0593381c6a9c7d417d8a5d34a0a3cad5e
- 03 R da1c24049a0711aeda5ae806569c67ac48de422f2e42c4448c3b4442ecabb1a1
- 04 R 655344fe506d7bd89544de6b8a406ce6673058ce6c70168dca0ca2d343b4a66e
- 05 R 394fc81e7646a2c48d64f0860b2b5ee23f9477b7e099f17fd42d180b4b084b92
- 06 R 91e40cc7df6a6f048f3be328bbfcf335fe425524edae7dea0f10a3e856d0957d
- 07 L d7f18c525876a2192caec6e6d080d1760573cf770c3ec04a059df85cadb05375
- 08 L c2b871b58618afb14c10da6a8f032b2742c99c9887e93bd1d4dc91319ef896d8
- 09 R e32bd72743f36bca6495530e9d07b2ec123962504ca9de5a1827b641e5c397c5
- root 04bfeaf991aeac7c2fbe73107b001030f7df67018ee1039488eec88696510143