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 SUB-2 Award a ₱5.1M contract to MA-AN CONSTRUCTION CORP.National agencies
Transaction hash:
d57cd2e834733b3021f4e172d03998e96fe16fde8cdb8895ead812fc1e35b0d3
Status:
Included and unchanged
Block:
#2,364 3,649 blocks after it
Position in block:
Transaction 155 of 179
Award day:
Mar 30, 2015 (11 yrs 7 mo ago)
Value:
₱5,098,475.04
Project:
15OI0022
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 #2,364 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 SUB-2 awarded it to MA-AN CONSTRUCTION CORP. on 2015-03-30.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 d57cd2e834…35b0d3now …
- 2. Block Merkle root changedstored a0e33cd55d…7d2eb6now …
- 3. Block #2364 hash changedstored d363de8763…6b15a6now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 178 records. Each step hashes the current value together with the sibling shown.
- leaf d57cd2e834733b3021f4e172d03998e96fe16fde8cdb8895ead812fc1e35b0d3
- 01 L d571abb875cebf0706d1e400c501cbe73e285b2e2e8eba5e0841a3d94143f4ad
- 02 L bdd5f85f35bd98725da734a7c5130e738dabf5b996bf1ea743a77fad81894827
- 03 R bf02aa977556ce2e752cc4c774147ed80bcc1f187bfb9fe99bd74db71cb370c2
- 04 L cfb31a5d5d92512bb7f83688a1dbb1e2b935b3061a8383b559b040f576053d87
- 05 L 04d53b020dde4985780adfe62a167fd4bbc4f59402e0fdb26c2f22f6aa4b7986
- 06 R c4350850b71a96aacfc8c0d98db69c6c7aa82c10f8454a4dd33a00b46482bb06
- 07 R 4f68fc6aede80b4555eee1eb69334949ef48d99145a1ec91592561c859f3a49a
- 08 L fcd11e1c0222a0f4164311aeea89e4433e07cd6cdc1dc1bfd5842998cdafb651
- root a0e33cd55dae9cf060be2a5106dc2437b08f94498702228cfa10a930827d2eb6