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 NORTHERN SAMAR Award a ₱4.1M contract to AAVB CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
e3f51efcb412fa129e55e17e482dbb488e9d50461f6a2691aa9f8484e42694c7
Status:
Included and unchanged
Block:
#3,416 2,597 blocks after it
Position in block:
Transaction 196 of 224
Award day:
May 11, 2018 (8 yrs 6 mo ago)
Value:
₱4,089,637.91
Project:
School Building Construction Services
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 #3,416 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 NORTHERN SAMAR awarded it to AAVB CONSTRUCTION AND SUPPLY on 2018-05-11.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 e3f51efcb4…2694c7now …
- 2. Block Merkle root changedstored b75b73546e…641ba8now …
- 3. Block #3416 hash changedstored f490de7cdf…6e2fdcnow …
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 e3f51efcb412fa129e55e17e482dbb488e9d50461f6a2691aa9f8484e42694c7
- 01 R e61365e719bc1d0944ae6e701103d53b399238d6cfb86ba30b4dcdaaada6577d
- 02 R ed2cc6b3eddef1aa337564001582ac4bf8c040c7137873ba168226686804700c
- 03 L 1a84d00b1ae18c987cf4c4cf6dd4da5dd288eff4241eb9cb25159354c7635e98
- 04 R d8119bf0c8351fd239df573c5cc3cf00bd76b0c0756a5b2d49f39b54cab48807
- 05 R 512e02ed9c2f844444465804c638bf7c601b43b006f5ebab4cce5a7cfbbddfb4
- 06 R 4d5c36b808a2dfa5ea208048c15f3ed27c645cdf63232a2c4f4ec11c67429104
- 07 L 97a5a5fc8ca28c1a350aea8355329f6f0e385f2b169a20b495d9721a2725d2a2
- 08 L 0ce8b8326974d6051acb80e4f9b62add6f16e13330a8ccc755659470d0bef05f
- root b75b73546e5d5e7a9c8ef06d95c23e549c1e17b0902a4605a33f755d7c641ba8