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 - LA UNION 2ND DISTR Award a ₱1.9M contract to E. E. MADAYAG CONSTRUCTIONNational agencies

Transaction hash:

059b010780da3fd34fe5126dac2acca0288d7232d7130a13ff3bdd73e694d54b

Status:

Included and unchanged

Block:

#2,772 3,241 blocks after it

Position in block:

Transaction 2 of 134

Award day:

Jun 22, 2016 (10 yrs 4 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LA UNION 2ND DISTR

To:

E. E. MADAYAG CONSTRUCTION

Value:

₱1,895,992.42

Project:

16AF0021

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LA UNION 2ND DISTR

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 #2,772 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)
DPWH lists the funding source as "Outside Infra - GAA 2016 DA Farm-to-Market Roads", i.e. the FY2016 GAA. The exact UACS line is not given.
Partly
Open
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 - LA UNION 2ND DISTR awarded it to E. E. MADAYAG CONSTRUCTION on 2016-06-22.
Found
Open
5. Contract & progress
Contract / progress report (DPWH) · Sec. 5(d)
DPWH contract 16AF0021: Completed, 100% physical progress.
Found
Open
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)
DPWH marks the contract "Completed" (end 2016-08-02). The certificate itself is not published.
Partly
8. Audit
COA annual audit report · Sec. 5(e)(iii)
No COA finding linked to this contract.
Not published

2 of 8 documents found, 2 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 059b010780…94d54bnow …
2. Block Merkle root changed
stored e15da196fe…1c6948now …
3. Block #2772 hash changed
stored 2403389fa8…9f8ca0now …

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

leaf 059b010780da3fd34fe5126dac2acca0288d7232d7130a13ff3bdd73e694d54b
01 R 06400cd911a4ea0e3c6e1c2d873be4eb877023533d4aa23dd2c6fb868ef2c4d4
02 L bab3b8855d10d1dac36adc5c921641883d791238852133355c60df1d8c9353ac
03 R b65cd52bf13c6f31d2ef0efd8dd6c78ac5d254f131149ea27719db38ba31a98f
04 R 3a9118705d178374ae93a58d34fec6dc9c97b0ea49f12608b710d958ca3b2909
05 R 6bae9ac5678c54dbd3bc43a022b3020cd8e213e518daff77b3fcd55e248843d8
06 R 230d72f97545e83dc983f8233f849f1fa73838e70d2160b1b80a4b368277fbd7
07 R 4275059d0a0e4f8c40add26f59b700ee9f236b8b723979b4ff81418562ccf39a
08 R 62a91a6f280d5f16a0c9f0d1ea8eb53ce0dfc045341ae6d902e4bc57cf055fab
root e15da196fe5fb3c7f68c776f11b1a7784ff37eff572e311a726c80d21c1c6948