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 - METRO MANILA 2ND E Award a ₱12.3M contract to THE STEADFAST BUILDERSNational agencies
Transaction hash:
bc4e2e5be7ed197b07d9032cb5f55d452c15f4a100ea4a3090657bb866e7e426
Status:
Included and unchanged
Block:
#3,817 2,196 blocks after it
Position in block:
Transaction 191 of 253
Award day:
Jul 12, 2019 (7 yrs 4 mo ago)
Value:
₱12,332,550.56
Project:
Rehabilitation/Upgrading and Drainage Improvement
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 #3,817 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 "Regular Infra - GAA 2019 LP", i.e. the FY2019 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 - METRO MANILA 2ND E awarded it to THE STEADFAST BUILDERS on 2019-07-12.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 19OC0188: 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 2019-12-23). 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 bc4e2e5be7…e7e426now …
- 2. Block Merkle root changedstored 77a5e03b52…c5bd6fnow …
- 3. Block #3817 hash changedstored 4577992bb2…9ca333now …
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 252 records. Each step hashes the current value together with the sibling shown.
- leaf bc4e2e5be7ed197b07d9032cb5f55d452c15f4a100ea4a3090657bb866e7e426
- 01 L bb9242ac6f584941a92336caa0234db6523e435c4131d23d0f5c8027e6cd3e31
- 02 L 763fe36e947ddc4f07f6b6c511b2b0e08959b14819cf052dcb2fe0485373a694
- 03 L 190525055b7cc716c355d32111bf66262aeb795386e8b50a15581997dc1026a0
- 04 L 1354809d7dfd7247e9dfbfcb02be319ab028e2d4b1bd9f27967db24c94a1da20
- 05 L 83f94d263ddf5b573726ccec3799e8b69b4b13ff18b78177201ede90e662375b
- 06 L 116eb23aef315504421d81f905f317329c2d9b9d03e5424c4968e49097c6cb2a
- 07 R d3d65b658fbb391e0a9cb7e16c23cd5bf5b2ac419b5cd11203bea489bdf59cf7
- 08 L 45782357ad8f5abaebe344dd16e2b17de91c6e43f249e23d8251fc09030b4602
- root 77a5e03b523ff9ff21839895cf845a7a704511167c8ff7b290103f5066c5bd6f