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 - REGION III Award a ₱141.9M contract to NORTHERN BUILDERSNational agencies
Transaction hash:
e6c8d9eab2a47aa1e7ae584552327d95e79a08804dbef83dc7816fe1470622e4
Status:
Included and unchanged
Block:
#2,519 3,494 blocks after it
Position in block:
Transaction 137 of 142
Award day:
Sep 15, 2015 (11 yrs 1 mo ago)
Value:
₱141,858,460.71
Project:
15C00045
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 #2,519 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 - REGION III awarded it to NORTHERN BUILDERS on 2015-09-15.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 e6c8d9eab2…0622e4now …
- 2. Block Merkle root changedstored 24dbd25191…1fd82anow …
- 3. Block #2519 hash changedstored 5e4dfecf85…6f5f5fnow …
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 141 records. Each step hashes the current value together with the sibling shown.
- leaf e6c8d9eab2a47aa1e7ae584552327d95e79a08804dbef83dc7816fe1470622e4
- 01 L e3d50a351ffaa165903aa4abc376a30bb7b3989e6aab218508aefea1a2cf8791
- 02 R 3ced61e2fa11156da50f611ef0f78c523369ca50413961f211876e922b0de1b7
- 03 R 84d8b4838dcb5cfc7eef96367654d1834e3293f4a2ea0d7586faa0ebba96208b
- 04 L b957a2c296777f3a042f17c1cbef94734985ddfc0fe2104ad59b5d70b49adf0d
- 05 R f1efa637d651b4c8360614a3376aa363703f56d8e33cd7fcb2bec523b6d84968
- 06 R 1ea8050dc571a78d934df1a3f61880a6f833e71a781a86873c7893a17b2886bc
- 07 R b5c85b8460f88d42d98051c679952c22a0cb6d88e1b6bfef9bb4c88ded7283bc
- 08 L eae704292b89ec497b79baf177d6095c692000f7faa740b00ffb7c51f741421f
- root 24dbd25191ade549ac48d3bbc056a2ce1fea10350445a7e442a61d4b671fd82a