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 - CAGAYAN 2ND DEO Award a ₱1.1M contract to J.B. ALCANTARA BUILDERSNational agencies
Transaction hash:
0fa7a3e8ea97f96ea215bb1705892d5d83a320cedd5170a7a480835a31302b30
Status:
Included and unchanged
Block:
#3,242 2,771 blocks after it
Position in block:
Transaction 11 of 181
Award day:
Nov 10, 2017 (9 yrs ago)
Value:
₱1,136,892.11
Project:
17BC0230-Completion of 2 Storey 6 Classroom
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 #3,242 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)DPWH lists the funding source as "Outside Infra - GAA 2017 DepEd BEFF", i.e. the FY2017 GAA. The exact UACS line is not given.Partly
- 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 - CAGAYAN 2ND DEO awarded it to J.B. ALCANTARA BUILDERS on 2017-11-10.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 17BC0230: Completed, 100% physical progress.Found
- 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)DPWH marks the contract "Completed" (end 2021-04-04). The certificate itself is not published.Partly
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)No COA finding linked to this contract.Not published
2 of 8 documents found, 2 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 0fa7a3e8ea…302b30now …
- 2. Block Merkle root changedstored 1a1e4109d1…9995banow …
- 3. Block #3242 hash changedstored ff7ed34abf…067fb3now …
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 180 records. Each step hashes the current value together with the sibling shown.
- leaf 0fa7a3e8ea97f96ea215bb1705892d5d83a320cedd5170a7a480835a31302b30
- 01 L 0f4163aa1885a884b111658f27cc848efc3688265606d8d8514e24b77e259be6
- 02 L e9b9a695bc8868d5b02a88b44acec56adfcdcb640528590ff8f4e7e7f529e1e2
- 03 R 8e24c71441b06da86f2c7baabf79b179fccd04979416c58e30195adb8ed366e8
- 04 L 95806cbc9e20cbd469e4a7c10e3bd5ff16b070473d82adba71e349d5f586ea21
- 05 R ab682cf785a4cca78750dffe18e4bf71eab12262638827854b7503c1db4149df
- 06 R 1b3a00eb337ef985bb6683f14b2183527fdae8c99eb3a395fa013b465b4fe903
- 07 R da9d7da1a06cc91835e5d7eff9081f18d851e14568f723b03104a0fb7f1c387e
- 08 R 9f0b06a23fbd4eed105465eaa8c97eb29d69df7006f9505de0f327fb4f28cf3a
- root 1a1e4109d1356d48f866d734c958d673c4c1843ce4b69e0cb16d2820f39995ba