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 PUBLIC WORKS AND HIGHWAYS - BATANES DEO Award a ₱4.0M contract to KUATAKO CONSTRUCTION & GENERAL CONTRACTORNational agencies
Transaction hash:
b0a237a7be60bf70a108cfcbd378606f0a477858df8b3eda372de90f98d8d0af
Status:
Included and unchanged
Block:
#3,974 2,039 blocks after it
Position in block:
Transaction 289 of 418
Award day:
Dec 23, 2019 (6 yrs 10 mo ago)
Value:
₱4,000,311.00
Project:
19BA0072
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 #3,974 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 PUBLIC WORKS AND HIGHWAYS - BATANES DEO awarded it to KUATAKO CONSTRUCTION & GENERAL CONTRACTOR on 2019-12-23.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 b0a237a7be…d8d0afnow …
- 2. Block Merkle root changedstored 3e238bb282…6f8ab5now …
- 3. Block #3974 hash changedstored a3c1339d7e…dcabc9now …
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 417 records. Each step hashes the current value together with the sibling shown.
- leaf b0a237a7be60bf70a108cfcbd378606f0a477858df8b3eda372de90f98d8d0af
- 01 L afbcb78cb3d2ff70dac91a3b05c5c18de818bada0bbd8a8827304a0a09aa7551
- 02 R 8bc5e358ceda9dd52ead8b8eff1625920f81b8bc22d3d2eb3842d0e9dcd22102
- 03 R 7bda8e53888a34570c2c4ad2205051f7e0bd95175cc594835d0a28c274b2a66d
- 04 R c846b55f23251520a1e2779480bdab356a7dde75bc95d7414a23f6bd8c6d0bbb
- 05 R ee83b903cef5d4927172052e83780d0c56eb6776861673ec1ce75ad64d1bf27f
- 06 L a79331824a36ac739c1d7f4a03c0fd39caeede1d3f490ab10bd964de45b67873
- 07 R 1ab119ff0a5429b3f2eb9ced907ca717ad83c897e94ddad085538ac7e7477f04
- 08 R 6068776489efbc92c8d86bc4f61d2e6fc1930a82edbb8b8ef970fca48c1f7471
- 09 L b13e53e30c2ce44b644deae1f7f2e2194b9f28de45fcfdee1d9357ae8b5abb93
- root 3e238bb282f93042e842a5bc89ff1b6357bc967b4ad03709451706b4286f8ab5