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 - BULACAN 1ST DEO Award a ₱7.6M contract to 525 CONSTRUCTIONNational agencies

Transaction hash:

3155b27dfdaa4fa62cebc6d028f4df20f339431ed8ce070346106d3d9d67024a

Status:

Included and unchanged

Block:

#1,985 4,028 blocks after it

Position in block:

Transaction 25 of 110

Award day:

Jan 29, 2014 (12 yrs 9 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BULACAN 1ST DEO

To:

525 CONSTRUCTION

Value:

₱7,569,931.10

Project:

Preventive Maint Old CVR km 52+440 - km 52+985 Bal

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - BULACAN 1ST DEO

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 #1,985 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 - BULACAN 1ST DEO awarded it to 525 CONSTRUCTION on 2014-01-29.
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 3155b27dfd…67024anow …
2. Block Merkle root changed
stored c8b91153ae…bbdbfdnow …
3. Block #1985 hash changed
stored 5e7a7080a1…1d50ebnow …

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 109 records. Each step hashes the current value together with the sibling shown.

leaf 3155b27dfdaa4fa62cebc6d028f4df20f339431ed8ce070346106d3d9d67024a
01 L 2f872e9becda334602d216d2dfd7ad179ee68230673823d39a4bf631e48417a8
02 R 307aa35b644badc1cfdd390821e2489fcc70a817e3338bcf23472bce8ba6d272
03 R 62d210a4e3a4836bb555bba6e82d2c51f846659d77f33c11848f34bfa6ea7aa9
04 L 6230b7d1c7e635fbe54b9a7227c6211cfc268e9858c5e17653afbcfbc32db7a3
05 L ff22ba3724ec78a4388330219371b3cd251bf35513c344ab243193bed7c3b238
06 R 45da10f99cf25453010fdca28492d4716f35eab32da73b1df27965ceb927fb17
07 R 504a561945180cce4644420ac0087f24b7f5f8662a0ff22705fa691d44b6f758
root c8b91153ae5af4a842b5f71e90795c1042df6d7887cb243fd907c6725ebbdbfd