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 - ZAMBOANGA DEL NORT Award a ₱9.7M contract to ESR CONSTRUCTION & DEVELOPMENT CORPORATIONNational agencies
Transaction hash:
307afe2e43e80681c641c8d9b82ea14d9edd6bd578869432daf69673b23a8d66
Status:
Included and unchanged
Block:
#4,364 1,649 blocks after it
Position in block:
Transaction 51 of 316
Award day:
Feb 15, 2021 (5 yrs 8 mo ago)
Value:
₱9,700,916.78
Project:
Construction Project
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 #4,364 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 - ZAMBOANGA DEL NORT awarded it to ESR CONSTRUCTION & DEVELOPMENT CORPORATION on 2021-02-15.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 307afe2e43…3a8d66now …
- 2. Block Merkle root changedstored 3b493f5f7e…5f7feanow …
- 3. Block #4364 hash changedstored 0d3127cae0…cf28f0now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (9 steps)
How this one record is tied to the block's Merkle root, without needing the other 315 records. Each step hashes the current value together with the sibling shown.
- leaf 307afe2e43e80681c641c8d9b82ea14d9edd6bd578869432daf69673b23a8d66
- 01 L 2fc4ab307c960bf4e0faa4f631697ff73d70b1e5c6bf9852c58408d36d21abb6
- 02 L 7b450f170eca4695acb9244db83ab781ced3b6a128cf0a8712dc5e9f1a7eb2e2
- 03 R 6ad04acda3c5376d091129e8825ed8a211d4759d7c3b489d8da11d2564382052
- 04 R 6f10e007425a89235df320794ec2964842a6b07b3ca39b6422ca2ba9f919514e
- 05 L 9c09cebcb44727d5dfbb5cfa7a701ebe35df0625e05b08ba6e2b6b89d1c5a5d6
- 06 L 21913f6edfa5a600c3f2121cebe15f05a29ab1d1a54911a93bebf60849e6d2ed
- 07 R cd0099e8cfd88b5bed2d2b827398703c2dd4a1f765fbe8856f679af2bf34fe2f
- 08 R a9697dfeb54d7c0b24cee707697df09d0b9068dd7fd29f476e4b8eedd0bee6f3
- 09 R f28e4c03436f599e2b460393b75434b088c1ef3430a8fcbd032d6610a1c414ff
- root 3b493f5f7e60739d0fe98621a32bfa68115e560c980cb2ec12614163b55f7fea