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
PHILIPPINE SCIENCE HIGH SCHOOL - CAGAYAN VALLEY CAMPUS Award a ₱349.5K contract to GRANDMARC CONSTRUCTIONNational agencies
Transaction hash:
bd9687bb6a8c592ef32d6cd28a2b4274e57370f0be7f10bea84c9a93538d68f4
Status:
Included and unchanged
Block:
#4,906 1,107 blocks after it
Position in block:
Transaction 108 of 147
Award day:
Sep 2, 2022 (4 yrs 2 mo ago)
Value:
₱349,521.35
Project:
Construction of Property Building
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 #4,906 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)PHILIPPINE SCIENCE HIGH SCHOOL - CAGAYAN VALLEY CAMPUS awarded it to GRANDMARC CONSTRUCTION on 2022-09-02.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 bd9687bb6a…8d68f4now …
- 2. Block Merkle root changedstored 9c43905304…29ba90now …
- 3. Block #4906 hash changedstored 662572cb57…52c6ebnow …
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 146 records. Each step hashes the current value together with the sibling shown.
- leaf bd9687bb6a8c592ef32d6cd28a2b4274e57370f0be7f10bea84c9a93538d68f4
- 01 R beb34d2e8ca7dea768b179fff19f91042a77568334d744602fa64e35ab88011f
- 02 R 02c882da3c054d9ee8ea75376554e004b84443457c8c2c2e23bbb41ee77fffc5
- 03 L c7265607c1ea84a428cd20c3325841817442c2d33e4d071095cab7fb285f98bb
- 04 L 62be35686d551ae437c65a39f97590afd209dd6d832fb123cbaa54e0603000e2
- 05 R b3a438e362ca75b500438c2377ea9f777fc6210cacef8d85324555d632fde99a
- 06 L 64701d451bef6a1ec0b0c21f2ac5c6e8c8ae82d0d190e5025d8ea581ec8b56d0
- 07 L 3822ec3521cb46cdd7e32093d3aced634417ed9a4a998e4ff8902072f3501468
- 08 R 1b2f4a53caae83d6aa493fb01d3121153781adf3a83ad1aee39d76032086e304
- root 9c43905304e813b27ca174eda2949cd6c1c7c181b3010f1c645854fa4429ba90