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
POLYTECHNIC UNIVERSITY OF THE PHILIPPINES Award a ₱49.2M contract to R-II BUILDERS, INCNational agencies
Transaction hash:
194caa1da763b9c90aefd798f3d9a7a04d95e0fb97cc6f9bd3116ec025d6cd0c
Status:
Included and unchanged
Block:
#4,757 1,256 blocks after it
Position in block:
Transaction 8 of 69
Award day:
Mar 25, 2022 (4 yrs 7 mo ago)
Value:
₱49,192,992.64
Project:
Construction using design and build scheme
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 #4,757 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)POLYTECHNIC UNIVERSITY OF THE PHILIPPINES awarded it to R-II BUILDERS, INC on 2022-03-25.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 194caa1da7…d6cd0cnow …
- 2. Block Merkle root changedstored b3530acb3c…d4f4aanow …
- 3. Block #4757 hash changedstored 4141d199ee…4e95b3now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 68 records. Each step hashes the current value together with the sibling shown.
- leaf 194caa1da763b9c90aefd798f3d9a7a04d95e0fb97cc6f9bd3116ec025d6cd0c
- 01 R 1d4b32f37a6991c92ecdc348b2bc3e6222c8c4f5828e5f58411f3f1f12ed75c0
- 02 R 7a0feef6365daadde2a39c323f3bfa6eb5a375c74dd328bdc12d00d83d9268be
- 03 R 1763fe163aa3631442728e4d126bb71081b666c6a36833442a32f394c1f40e31
- 04 L de629a34e09d93be6c8697b5186f228505149bd7ac1b15fc0e31a7d4c82f745d
- 05 R 19399a1889b8dbc5490a97d4da29bcf50a5ec16d8bd284715f0265ef154020bb
- 06 R 54caea7835357aec33e0676e95f5d5f942fa983f24f2ef71fe2a665c09d6d656
- 07 R 8c27574446393efe76ca6e9c7eaa70bc0dab21a14b87ae10a5c2bbaa6ffe6955
- root b3530acb3c82c6105d19f157135176af3ec3b262162be3ca4be0a792e7d4f4aa