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 - SOUTH METRO MANILA Award a ₱1.8M contract to ALPHA & OMEGA GEN. CONTRACTOR & DEVELOPMENT CORP.National agencies
Transaction hash:
a4de208e23dff85bca6b3068020b0c4711e5a9aa1f1fd2df5bb2251c85d2d718
Status:
Included and unchanged
Block:
#3,273 2,740 blocks after it
Position in block:
Transaction 232 of 380
Award day:
Dec 13, 2017 (8 yrs 11 mo ago)
Value:
₱1,838,618.09
Project:
17OH0150
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 #3,273 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 - SOUTH METRO MANILA awarded it to ALPHA & OMEGA GEN. CONTRACTOR & DEVELOPMENT CORP. on 2017-12-13.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 a4de208e23…d2d718now …
- 2. Block Merkle root changedstored 6bd1f83d98…b006fanow …
- 3. Block #3273 hash changedstored bd4a351e0e…4e4423now …
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 379 records. Each step hashes the current value together with the sibling shown.
- leaf a4de208e23dff85bca6b3068020b0c4711e5a9aa1f1fd2df5bb2251c85d2d718
- 01 R a513d6b0e1fc02d1d49347cb2536b5204d98e38f7d309f2af511ac456f2de695
- 02 R e9fd36d98cdf3eda11775cacf3db00040ba819e2497c18e32e81202486251c9c
- 03 R ba41a17f206000c1fda9c6dab3f917ed31e59ee8bf5cc47dae656f26954a0aa2
- 04 L 3e6269253912549643c3364cbe52318af87c323ac4abf3c1da90806ccc090a1b
- 05 R f3efbaf7997ff7d3c9dc0045c5b6e50d76c2300b8bb89de636772678c3690e4e
- 06 L acdad18f85c51ff6090deaea1b3c0d4459cdc474c8a4075ceb4a1b1daa851f69
- 07 L 8bba08192320da61846c6744ea8a9104b5e765b6f4a2f4eb26a1277c0e20c973
- 08 L 25c846edc11eb09aac6609d38f27dad0aeb4d80b8064e10ecb53bf52ee3b09c1
- 09 R 5353a0d77d6ce6487c4570e9d117d5fb093a5a83a925b0eee9d78d371080dd2a
- root 6bd1f83d986853f4a137010f49b4ed7366ad8e83e16255a2dc2ce118ddb006fa