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 TACLOBAN CITY Award a ₱404.4K contract to MA CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
d44bbbfb8bea00df40d7432583a2d6694ce5d97a36e635e0f0b6a37c3e6a6663
Status:
Included and unchanged
Block:
#3,988 2,025 blocks after it
Position in block:
Transaction 107 of 123
Award day:
Jan 7, 2020 (6 yrs 10 mo ago)
Value:
₱404,407.26
Project:
CONSTRUCTION PROJECT
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 #3,988 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 TACLOBAN CITY awarded it to MA CONSTRUCTION AND SUPPLY on 2020-01-07.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 d44bbbfb8b…6a6663now …
- 2. Block Merkle root changedstored d734c575d9…224f99now …
- 3. Block #3988 hash changedstored 830f15c82a…e77d07now …
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 122 records. Each step hashes the current value together with the sibling shown.
- leaf d44bbbfb8bea00df40d7432583a2d6694ce5d97a36e635e0f0b6a37c3e6a6663
- 01 L cf0a29cba7a95f61c86c5e7eb6e885bd5b5859fca25a513759737d76d4ede043
- 02 L a3682dc631cb9bbd5660b052d53943d832a1b8c8188ad5b89c3bcb0a86ce25d0
- 03 R fe7558f6e28ac797543568a843e85e32ef1c1ea01763047a5c62ac7577cf5d01
- 04 L 9cc378516bd8dc136b8bd0a9a30c0e4a7dc5362920f78075a3a22c343d1d5a3b
- 05 R 33137f29b4a547eb0b6f7a30f9e43cdbe832b67c572b060fe89805e324d574bf
- 06 L 1cec4c35ad82ee5372e029f0a8b8fdac5179c94711fbb0ed493fdba963d88b56
- 07 L 06996ead07043f8bee86e93c5d62a895236f9a78dcaf851035b11b65a8153613
- root d734c575d962451b098a98293b367f9c8f1f143d25c12723fa1c8c760d224f99