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 1ST ED Award a ₱769.5K contract to NT SOTELO CONSTRUCTION AND SUPPLY CORPORATIONNational agencies
Transaction hash:
f9ec35875c6cf2349cdfc61aed9a7b3bf400f8bbdca066ab6b5819e1af9d4b78
Status:
Included and unchanged
Block:
#4,797 1,216 blocks after it
Position in block:
Transaction 573 of 586
Award day:
May 10, 2022 (4 yrs 6 mo ago)
Value:
₱769,476.57
Project:
22DK0079
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 #4,797 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 - QUEZON 1ST ED awarded it to NT SOTELO CONSTRUCTION AND SUPPLY CORPORATION on 2022-05-10.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 f9ec35875c…9d4b78now …
- 2. Block Merkle root changedstored a91157e4d8…b2059anow …
- 3. Block #4797 hash changedstored 4fc23c6e9d…588b92now …
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 585 records. Each step hashes the current value together with the sibling shown.
- leaf f9ec35875c6cf2349cdfc61aed9a7b3bf400f8bbdca066ab6b5819e1af9d4b78
- 01 L f945a63f0b6a5d766cc825053135361b8c4831bc021ca14682e7e9d453c923e5
- 02 R d93f354c1119831172c0ff4dfb8fd1a96e3ce1d54e7fcdbdb2bedb2a25050c2a
- 03 L 4464fa0589a5f4d7e477275bd3abfda1952ec7d03bd5e0e82e829382b6526f2c
- 04 L d80efa568a2b5af1dd8d4de8676d8c277a1adf06c796cf3b7306e307508bf804
- 05 L 267dbb141bc9c22b11fe4ea34f67184e235b54ef41ced6946fe100c4531e134b
- 06 L d40d804ba583855bdbe01b716d8a4175af994c1f7b28da3d35fa16fd3a79d405
- 07 R 0408d3f22a2d6f575c838622122a334f23f80c3fd21b9cd753a72b5414e2885d
- 08 R 9beeb8b193cd437110265d812287f1310e78736401cc7d9d3efbde5b6f1405c2
- 09 R 2be7759d04148d4952a6f71ca5c147d28b311b42cf5cba6c79deabb831d036fa
- 10 L 9502f4a4bcf690b36e0dda5ef1394e536f93ec6f2338ca1489898509c40b0bfe
- root a91157e4d81262db834c169cf1e89adb8455a9abcc5739b02e119b5520b2059a