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 - QUEZON CITY 1ST ED Award a ₱3.8M contract to LE BRON CONSTRUCTIONNational agencies
Transaction hash:
c73bd4bc1ea0c229ded1ef27e3085c1f5e095ccf9536d40d0e4c1c0bbc83e13f
Status:
Included and unchanged
Block:
#3,425 2,588 blocks after it
Position in block:
Transaction 795 of 988
Award day:
May 22, 2018 (8 yrs 5 mo ago)
Value:
₱3,837,224.76
Project:
18OF0157 Construction of Multi-Purpose Building a
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 #3,425 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 2018 LP", i.e. the FY2018 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 - QUEZON CITY 1ST ED awarded it to LE BRON CONSTRUCTION on 2018-05-22.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)DPWH contract 18OF0157: 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 2018-11-15). 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 c73bd4bc1e…83e13fnow …
- 2. Block Merkle root changedstored afc2cd5390…19b960now …
- 3. Block #3425 hash changedstored 6e5fbdae95…f0bbc0now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 987 records. Each step hashes the current value together with the sibling shown.
- leaf c73bd4bc1ea0c229ded1ef27e3085c1f5e095ccf9536d40d0e4c1c0bbc83e13f
- 01 L c735dd2363ce396264289aea8ade7c8697235e40eb38fa036259d4763f0b08f1
- 02 L f6735278bd51e0e33c9b6fd4dd68c6497ddb30416a5f1a13d8785828e827bbb7
- 03 R 5008a6d060d3bc8f991c97ec279ef874de0b08a06366bb3932c7be00eca8b3c9
- 04 L ba58aca00ebd73ddc82e29afd526ef0929d4003611568822f1c9981bd92bce4f
- 05 L 58396c4be9f839bba8e35c91b099e7dbbd21ea3cfbd25fe020c20f6effd22aa8
- 06 R 2888622d609ed05473269c64dc412cd085546e0e413e31541683053d3e874987
- 07 R 18e9b9898282ad3e565ee812f9c7705879ce66fd1f96c5bd4e47a98b71a5b890
- 08 R 93f54a5c63a4191d91c72307c308d794ae55cf1522068d7bbfa4f3111a9e3781
- 09 L f3f8fab4365fee983ebf8cdd5c6fd2866b81f0572278d922272c51292e712caa
- 10 L 3e427b01a4ca1b660d6e1f24b60405762746a630090c6f252970809fc885bbe2
- root afc2cd53900dc781e9fa8a2d8b4195cf4e813225eb7cee3f68b7bcb6f219b960