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
CITY OF TOLEDO, CEBU Award a ₱484.5K contract to M.D. MEDIDA CONSTRUCTIONCities
Transaction hash:
b3cd3f0e0019be3a2e5d24ec8848cd3b9c8fda28b5b72a74e093216a2c690c13
Status:
Included and unchanged
Block:
#762 5,251 blocks after it
Position in block:
Transaction 21 of 28
Award day:
Dec 22, 2009 (16 yrs 10 mo ago)
From:
Value:
₱484,500.00
Project:
Proposed Infra Projects (2009-16) for the different brgys. of Toledo City
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 #762 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)CITY OF TOLEDO, CEBU awarded it to M.D. MEDIDA CONSTRUCTION on 2009-12-22.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 b3cd3f0e00…690c13now …
- 2. Block Merkle root changedstored a7eb8b623c…fe8cd1now …
- 3. Block #762 hash changedstored 7341ef5a1a…f00677now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (5 steps)
How this one record is tied to the block's Merkle root, without needing the other 27 records. Each step hashes the current value together with the sibling shown.
- leaf b3cd3f0e0019be3a2e5d24ec8848cd3b9c8fda28b5b72a74e093216a2c690c13
- 01 L ad8a3203a1f85738d94a6060d1c1f1949394b1fd868b81c133c290e52d6b1a27
- 02 R d2c3a89c55d5ce06be4d662c1721190edd57587ba8bc5affc640a15a5e4688de
- 03 L 5d837c80a2e37a136e3db98c94961ed7b576e113940663ba38547fc137aac200
- 04 R bea7b6bd80f9516b04cea8ca40254ddc4fe0a30ec4235f5a77dd701706f74208
- 05 L 669c9d9d65ad42c98fb40a50d1890332f2c8a144f9eb0e1d90cd5686c3896b07
- root a7eb8b623c837f11df483da83434cb14e022ffafebee4449ccabe780fdfe8cd1