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 - LDN 1ST DEO Award a ₱96.6K contract to LANAO VENTURES ENTERPRISESNational agencies

Transaction hash:

b2df3e4074902f6a18a88bf9b7fd4aeefb6d42be1cb1430f2e636465445d370e

Status:

Included and unchanged

Block:

#1,878 4,135 blocks after it

Position in block:

Transaction 56 of 85

Award day:

Oct 2, 2013 (13 yrs 1 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LDN 1ST DEO

To:

LANAO VENTURES ENTERPRISES

Value:

₱96,580.00

Project:

13KG0043(ER)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - LDN 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 #1,878 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 - LDN 1ST DEO awarded it to LANAO VENTURES ENTERPRISES on 2013-10-02.
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 b2df3e4074…5d370enow …
2. Block Merkle root changed
stored 9239e72429…25c418now …
3. Block #1878 hash changed
stored ea1a38f7bc…2a48b3now …

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

leaf b2df3e4074902f6a18a88bf9b7fd4aeefb6d42be1cb1430f2e636465445d370e
01 R b9fcac96880ab31974c6ed7ba161f7e760e8b633c8a04cd2b8569b62e96d9abf
02 R 0b3b4f06776286758e4e9f028fbf1febe8b79a468f6437aa68acc7b528c8e1bc
03 R 2e384bc502f423a082241efa000fc46755c7d535892e2f1e7d37e8dcc3ca337e
04 L ae3f6d365ae6da641a015bc7637613381be606ee5a678c64aeb70bd6584e9527
05 L 3856e92d1f9ede391aadc48d33715e7abc6814561b827370d65a3b260e825eae
06 L 33b522c54a5063c4542a54dcc323bedbe45fbd165d77c4020e0f69075a335d18
07 R 84f023d660d83d0477ff5bdcd03c984cf6b5fa5fe5e698e9e07764d75c3a3102
root 9239e7242930b441b72a811211dd651df0e4f0862494b023bf7096ebb425c418