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 - DINAGAT ISLAND Award a ₱4.0M contract to R.F.VARQUEZ CONSTRUCTIONNational agencies
Transaction hash:
b91c6f9dd504784c835be7c4597dc6b1b1cc7f28f448987791004c5f0bf7a275
Status:
Included and unchanged
Block:
#2,926 3,087 blocks after it
Position in block:
Transaction 141 of 199
Award day:
Dec 6, 2016 (9 yrs 11 mo ago)
Value:
₱3,980,160.46
Project:
16NE0080
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 #2,926 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 - DINAGAT ISLAND awarded it to R.F.VARQUEZ CONSTRUCTION on 2016-12-06.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 b91c6f9dd5…f7a275now …
- 2. Block Merkle root changedstored d7fdf8ba03…e43edenow …
- 3. Block #2926 hash changedstored 6b15928e20…92769enow …
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 198 records. Each step hashes the current value together with the sibling shown.
- leaf b91c6f9dd504784c835be7c4597dc6b1b1cc7f28f448987791004c5f0bf7a275
- 01 L b8fe792390ba307584b9f97cc2a7f9fea01e7931d03bb80ec0032388ef5eb85a
- 02 R eeea328c285afa63f5cc9d0339e56446d87d466fc2d1d46cc4d29ac42b49df40
- 03 L e85eaad5327d85b44b860a7deb6409fa74a51cd623a6fa96b48a8fab3817eb55
- 04 L 715f0ffb61e3cc668079a27e3e3d1fdd2745284fac352b3c48c824734e2ae3a4
- 05 R f6911bd1adfce531672d1d8bba89c5902bb1f0f8c87c018c737c965ccea9b47c
- 06 R ff527d94e93392bffe2c7fd7a8b3ee887a44bf7b93e64c026f813510e2bc4d15
- 07 R 8261e8b7ea923a6dc42760208dcdd069928a7ba3c3f6dc3b01ad8c9ebf5ac6d1
- 08 L b7ac2f8f0fd7e004f4650faddb58b8e026255fc595c4b918ddc2ce83add1375a
- root d7fdf8ba038a6221bd2996e120af18609b705b5d83fdd3d0c54fef5ddfe43ede