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
UNIVERSITY OF THE PHILIPPINES - VISAYAS Award a ₱4.9M contract to MJ BARCELONA CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
83bba6ed73ccd786e72aed7892b769bff4aad3b0e81123c227c242d6b102cb6e
Status:
Included and unchanged
Block:
#4,349 1,664 blocks after it
Position in block:
Transaction 234 of 460
Award day:
Jan 29, 2021 (5 yrs 9 mo ago)
Value:
₱4,891,951.45
Project:
Proposed Repair/Rehabilitation of UPV Housing Unit
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 #4,349 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)UNIVERSITY OF THE PHILIPPINES - VISAYAS awarded it to MJ BARCELONA CONSTRUCTION & SUPPLY on 2021-01-29.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 83bba6ed73…02cb6enow …
- 2. Block Merkle root changedstored 1e3acd4a81…69b944now …
- 3. Block #4349 hash changedstored ce5bdf83ed…c4ae8enow …
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 459 records. Each step hashes the current value together with the sibling shown.
- leaf 83bba6ed73ccd786e72aed7892b769bff4aad3b0e81123c227c242d6b102cb6e
- 01 R 83f43018da4f64e98b0de4532953e10ec4de8dd860e24c126627b57cf034561a
- 02 L 6e64d0e668ff4754f5f6f1388aaff585376d8dc28d8467324405307d867f2d5a
- 03 R 65a4094f73e2de5c8b11d5326fc81fe2de3980bee74d130dae1c6797314b1594
- 04 L 2d84533945b485de189e3028de5abf2f12605f82288c7f4d8e393f4493c00d75
- 05 R aae134581421ea04ac76e20f17d6441cfd78d99e7822ad385c3563440e314e96
- 06 L 59826f57ff1aef13d5af685638aa9bd36bfb2ce709f52c960f3939345610056e
- 07 L 96269bbd89da8d0344b2c9ac497e0775332245a02c92119892810e6b785a7cab
- 08 L a26b0d370d0f05e7579f43038007e5b20f0e8481b384f07b05bcd8570852494b
- 09 R 10e75bb5d7c7fad43aacdb8f1b6292fd146c99d33a382c3062d168e6c4351aed
- root 1e3acd4a816daa42070b6736460ff7bb3e8b173f09095357a48e06b49569b944