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 V Award a ₱2.8M contract to CBC CONSTRUCTION & SUPPLYNational agencies
Transaction hash:
db90eeed9c8a230af5062e35bb35267b292484867eba9c1a08955e3b1aaca3a6
Status:
Included and unchanged
Block:
#3,281 2,732 blocks after it
Position in block:
Transaction 658 of 766
Award day:
Dec 21, 2017 (8 yrs 10 mo ago)
Value:
₱2,804,132.36
Project:
17F00076
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 #3,281 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 V awarded it to CBC CONSTRUCTION & SUPPLY on 2017-12-21.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 db90eeed9c…aca3a6now …
- 2. Block Merkle root changedstored 9e0309d5eb…d40323now …
- 3. Block #3281 hash changedstored 4e6cba51d5…5b5d93now …
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 765 records. Each step hashes the current value together with the sibling shown.
- leaf db90eeed9c8a230af5062e35bb35267b292484867eba9c1a08955e3b1aaca3a6
- 01 R dbaacc4e229c1898d5b35ba706532f62b1d70c80bcfea5b16deca7adf1d19312
- 02 L 8e1b17260504f86c8cb783825f8f6b2cafbec3e5afc35aac9b1f9ed6d2b42452
- 03 R 5bedef1718f8df200021884247fd4163fa0494910d91f9b3186bd95a069cb6db
- 04 R 2c0459cf9edd8d02d4f4ce98dc76b23437753b2dd8cd4ad525fdc4d008446faa
- 05 L aabdea3032ff5b89cae8b26225c762289494180f0e57288c3fd7bce1231ac33d
- 06 R 0f2eb13b3efe1dd9a89873ca00e3556e2149635eb32d4e496fb52f2a5daa15f7
- 07 R eeaacda24f6cb178c8541a329d3729e212ce5ee7ab9a87cb0043e78d432d8e05
- 08 L f14309d1a09ee35b5633e01ef0a379dee1fafc4067776a8f41485f55b4b94e4c
- 09 R 148f600607a0d2726eff208188cdaa82ae48dbb1561714c4b4f0077f7aa79eb8
- 10 L 2b32d64cdbdd91140dad479198c37c88396f002c6a96f0535331923e0b62eb00
- root 9e0309d5eb97d6a32246e8747f1916d9dfcb56767e3e92b7f3f91e996cd40323