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
CIVIL AVIATION AUTHORITY OF THE PHILIPPINES - AREA 4 Award a ₱818.9K contract to MAZON ENGINEERING AND CONSTRUCTIONNational agencies
Transaction hash:
ddad536ed07718fd7eea5d2941cbe941063b05648ca8fc536e6502246d298b43
Status:
Included and unchanged
Block:
#3,833 2,180 blocks after it
Position in block:
Transaction 351 of 391
Award day:
Jul 29, 2019 (7 yrs 3 mo ago)
Value:
₱818,864.16
Project:
Improvement of ARFF Building at SVA
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 #3,833 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)CIVIL AVIATION AUTHORITY OF THE PHILIPPINES - AREA 4 awarded it to MAZON ENGINEERING AND CONSTRUCTION on 2019-07-29.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 ddad536ed0…298b43now …
- 2. Block Merkle root changedstored 40701e5946…54076fnow …
- 3. Block #3833 hash changedstored 87be9318b1…947d57now …
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 390 records. Each step hashes the current value together with the sibling shown.
- leaf ddad536ed07718fd7eea5d2941cbe941063b05648ca8fc536e6502246d298b43
- 01 L dc8f39274327d631909265683cd4a44fce4bc5fcdfef5ab83ccd6614cf538b77
- 02 L c442fadc12ab905232ce1bb64265dfe7c3aa3d94d6539f613ead27eacd3f60b3
- 03 L 85870f3e8f3a9c30669d9f69a18759b7cd10d05860cdc9a020e5e45259807f4d
- 04 L b31577194208734fcfb371a80f53eb84da89e2e85a724492a3b5188f90cea360
- 05 L 98d91b3a7a8382d5a8cbe683f8b4fb1ade679662bf73b122d40c1b1e4f048fb2
- 06 R 79c56e41d1f8ec21d3dfb92f9c4fe8c932335c2c4a7cbc753a21e95a8b02b756
- 07 L 3c0fbc5a12ff6dfa41973971dfa984651dc54fb5a2b469b89bfb7cc98c7dbe14
- 08 R 6bec78d2aa74884451484c40511963f766389582d617da818448c949a03c0412
- 09 L cf712f41853a21ccc5bf2ff28070161a8ad9a9a6a2c30923f29c623af2b4c7b4
- root 40701e5946ed16c3b2f8fe8d88a493582b77951c43377fb47b96f9457a54076f