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

API

Transaction action

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS NE2NDDEO Award a ₱1.9M contract to R.G. DELA CRUZ CONSTRUCTIONNational agencies

Transaction hash:

8a5fb2d34237a38df086db6ab859942a3bd4e16b77a13a1c099c54e8f3cc1e9f

Status:

Included and unchanged

Block:

#2,416 3,597 blocks after it

Position in block:

Transaction 61 of 122

Award day:

May 26, 2015 (11 yrs 5 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS NE2NDDEO

To:

R.G. DELA CRUZ CONSTRUCTION

Value:

₱1,852,168.48

Project:

15CF0041

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS NE2NDDEO

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 #2,416 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5

1. Appropriation
GAA line item · Sec. 5(b)
The award does not say which budget line pays for it.
Not published
2. Allotment release
SARO / allotment · Sec. 5(c)(iii)
Not published per project. DBM releases SAROs, but not linked to individual contracts.
Not published
3. Cash allocation
Notice of Cash Allocation · Sec. 5(c)(iv)
Not published per project.
Not published
4. Contract award
Notice of Award (PhilGEPS) · Sec. 5(d)
DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS NE2NDDEO awarded it to R.G. DELA CRUZ CONSTRUCTION on 2015-05-26.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
No matching DPWH contract record (only DPWH contracts are listed with progress).
Not published
6. Payment
Disbursement voucher · Sec. 5(c)(viii)
Not published. No public source shows how much of this contract has been paid.
Not published
7. Completion
Certificate of completion · Sec. 5(d)
No completion certificate published.
Not published
8. Audit
COA 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

Demo

Edit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.

Contract amount (₱)

1. Record fingerprint changed
stored 8a5fb2d342…cc1e9fnow …
2. Block Merkle root changed
stored c1c631411f…b75d80now …
3. Block #2416 hash changed
stored 4bfa41dc1b…87c2f8now …

Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (7 steps)

How this one record is tied to the block's Merkle root, without needing the other 121 records. Each step hashes the current value together with the sibling shown.

leaf 8a5fb2d34237a38df086db6ab859942a3bd4e16b77a13a1c099c54e8f3cc1e9f
01 L 882b6dd424cfcc472742a53a0a3e49785190b309f09f5fbfc209edb090ff0e78
02 R cd44b76204ea571a880ea79a6a2432f0de709ec2c9b42df485c0dfaa03c58e98
03 L 52be7283c670848e5862111df42bf1711dbe232a35923d957ff7be41d6118c45
04 L 9850ae33b0dc18eee9def44a14620e31a3d4cd6b81466dad34e425dc67689d05
05 L 59f610e59d60f4f3193a8202e84450c58e68bea5b3458a637448aff3ed77b23f
06 L 48f1d14f2e008466daafacf2241bd536c3304c334a77b92f09927f402d58f0c3
07 R a070127638a6963ff08327ce88ec46133ff4e1e7de96032c6e1a4e610f85a1fa
root c1c631411feaea6a148d3ebc641adb88bb7bfa98535422d69f30d58fc2b75d80