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 DAVAO DEL SUR Award a ₱1.9M contract to MNG BUILDERS & DEVELOPMENT CORPORATIONNational agencies
Transaction hash:
b2bdb8a452af66eb64ffc1412d16aae48300aca3af8a9fb6af6c668a2c8c3e3c
Status:
Included and unchanged
Block:
#1,333 4,680 blocks after it
Position in block:
Transaction 57 of 80
Award day:
Dec 27, 2011 (14 yrs 10 mo ago)
Value:
₱1,889,822.42
Project:
construction of various water and sanitation facilities cluster 4
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 #1,333 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 DAVAO DEL SUR awarded it to MNG BUILDERS & DEVELOPMENT CORPORATION on 2011-12-27.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 b2bdb8a452…8c3e3cnow …
- 2. Block Merkle root changedstored 3b8bbf0261…34e53fnow …
- 3. Block #1333 hash changedstored 9b7b18a7e3…518c7bnow …
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 79 records. Each step hashes the current value together with the sibling shown.
- leaf b2bdb8a452af66eb64ffc1412d16aae48300aca3af8a9fb6af6c668a2c8c3e3c
- 01 L ad6cd6143e731d01af576816532372d8ed9b384682107ceb6cf083b6c0cabfba
- 02 R 954013ed5038ad92dfeda81a764aad3ea9112c062cb05bd1f070ca167873ea60
- 03 R de9c5451fc084a747cd01108ba2226d9cb2588b0e3e529816c3bab75ca8f1cf6
- 04 L 4e57e8499579613994e1330b36eb3e0d06c37748c618df9ed5f4fb8f8ad59ab5
- 05 L bc9e0cf60e987dd0aa27b7c9914a40dfd4975bbad43ef3fa46b11d668f67b682
- 06 L 33c1090ac8299aedbdbd35a9d7b78991710dc576846c3e5fb78e4157abd105c0
- 07 R 744a128f3978e7e1fba37a9ede2d0764b1e057afd8d4a3a8cebb237622743e26
- root 3b8bbf0261201d3cb0052b109df4136a28661880d862b59e86dcbe4bab34e53f