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 ANTIQUE Award a ₱4.2M contract to HMM BUILDERS AND CONSTRUCTION SUPPLYNational agencies
Transaction hash:
03a780e83da24e9c152ada7dd0caaf1b2a2b6644bbeeb74042a08a7bd34b5b6e
Status:
Included and unchanged
Block:
#4,238 1,775 blocks after it
Position in block:
Transaction 7 of 400
Award day:
Oct 1, 2020 (6 yrs 1 mo ago)
Value:
₱4,218,349.14
Project:
REPAIR AND REHABILITATION OF SCHOOL BUILDINGS
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 #4,238 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 ANTIQUE awarded it to HMM BUILDERS AND CONSTRUCTION SUPPLY on 2020-10-01.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 03a780e83d…4b5b6enow …
- 2. Block Merkle root changedstored 63c58808d0…e29a0fnow …
- 3. Block #4238 hash changedstored 38e5b5b6d6…8c5b83now …
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 399 records. Each step hashes the current value together with the sibling shown.
- leaf 03a780e83da24e9c152ada7dd0caaf1b2a2b6644bbeeb74042a08a7bd34b5b6e
- 01 L 0376a2e0fe9136577080cc0c58d2045a6fcf7a60ca7ff3d97528d9f759637c6a
- 02 L d481d224299829ed8f0a062efc5ed6316fc41906f29a49add724546e67030f2c
- 03 L d2e6c73e8f5aabf312dcfd7ceb66b7f3d024625432798615a85acf0dd112a3c9
- 04 R 900df0862584c1e669404dd33d3902544d78b27501b7a0900e363be86443a5b2
- 05 R 06859d02fee8c7235066a337455d6f5f6b5780294a0042157c0f5ad567bc8944
- 06 R b3047933ed7837e5c2158fa3a77935d30b010329efca2b60d4c4af1e93796ff3
- 07 R 4aef983a7ab4a121c0b9ceebad83d11652c0c4cf2e3e6664b16661c4ae780fd4
- 08 R 65cf934cfe07980505563c82852583aecdc472371bc6956bc37f87e917d5b42f
- 09 R 87e874a3c80700f14608a3906bfa089d54fb3e4aeb85f628af95705b2e16cd4c
- root 63c58808d0cb9aca9f42a865914899f55a5a7992f67c9b305f2b4d7f99e29a0f