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 EDUCATION - DIVISION OF LA UNION Award a ₱5.8M contract to E. E. MADAYAG CONSTRUCTIONNational agencies
Transaction hash:
dea4320525b50a2ac7b4dfd19531c210dc9d5acbe171a38338af0d932e8fefd9
Status:
Included and unchanged
Block:
#4,502 1,511 blocks after it
Position in block:
Transaction 191 of 224
Award day:
Jul 8, 2021 (5 yrs 4 mo ago)
Value:
₱5,797,511.07
Project:
CLUSTER 7 - REPAIR OF CLASSROOMS
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 #4,502 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 EDUCATION - DIVISION OF LA UNION awarded it to E. E. MADAYAG CONSTRUCTION on 2021-07-08.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 dea4320525…8fefd9now …
- 2. Block Merkle root changedstored f082954a6e…6b1d72now …
- 3. Block #4502 hash changedstored 287d43bc18…d5db9fnow …
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 223 records. Each step hashes the current value together with the sibling shown.
- leaf dea4320525b50a2ac7b4dfd19531c210dc9d5acbe171a38338af0d932e8fefd9
- 01 L de9ff5699c903e06489fcfe214d57e868e70d2437403c491e8c6a50772b7603f
- 02 L cbfab32c11acb4c959e18ed0463442f98b5b00983991203a676393db77cdbfb3
- 03 L 0c4ce305a45620461afaf393316a1d17b582739c41beb4125012ac6b2a527839
- 04 L 0ae54298df9b494b80ef23d558940e4cdd187f644ad426abf3f47645274916fc
- 05 L 62efcbec4fe910899236b582342bb07058c569b079fdc664221ecc2ce032af85
- 06 L 6c76829c27568db9955a035dd429a9dd53523e55d0e283cc1170cc12607ef6ae
- 07 R c99a87c5f2e17318fa0efe43addfffb824fa9045e495cfa1a0904749cee485f5
- 08 L 4750120e6e097686300a2cc823e0866f976014e632b2ea910561485d52df873a
- root f082954a6e2103384b6ed22878a983f99543d0a8d67d8bef71253e37096b1d72