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 SILAY CITY Award a ₱2.7M contract to HUMMING BIRD CONSTRUCTION AND SUPPLYNational agencies
Transaction hash:
dafa01e0c2b31d37bca2449d456f4319ae155fcacdf649e67bf9216ab5c0732f
Status:
Included and unchanged
Block:
#1,946 4,067 blocks after it
Position in block:
Transaction 87 of 99
Award day:
Dec 17, 2013 (12 yrs 10 mo ago)
Value:
₱2,677,709.70
Project:
construction of school building
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 #1,946 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 SILAY CITY awarded it to HUMMING BIRD CONSTRUCTION AND SUPPLY on 2013-12-17.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 dafa01e0c2…c0732fnow …
- 2. Block Merkle root changedstored 15708a0ca3…286870now …
- 3. Block #1946 hash changedstored 92ca8d9abf…0bd72dnow …
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 98 records. Each step hashes the current value together with the sibling shown.
- leaf dafa01e0c2b31d37bca2449d456f4319ae155fcacdf649e67bf9216ab5c0732f
- 01 L d885cc64e4ee728449e83d6667b4b54951180461397ec1a051ddcf89b1676b5d
- 02 L c819d7ef2fb12a3540173f01b137b4b0b74bbde5f35974873a9ac473c184291a
- 03 L 0fc29e4a5dd9e456294a8651abf033502264325381a4c7fa037db902b66a6fce
- 04 R b5e461f8f61498fefe90fe6a49cafe45dee300fa67bcee1e273a5ba056d8a3d6
- 05 L 402932ef0ae0654db7242d1d529376099bbbe08e5d7df2211f0cb6e00fab67fb
- 06 R 32c552d4d5b0cf93969384f01741d3c2fd645644c93d1ccd96bf7417eb971322
- 07 L fdfb9c8f4a37f7997fafefbdede3b76cb939ea4e2f0c1495002f5ec174b23eca
- root 15708a0ca3af4e5a8367ebcd6906e3ec0c6324c886e9b45899cac913e4286870