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 - QUEZON 1ST ED Award a ₱293.3K contract to ALT CONSTRUCTIONNational agencies

Transaction hash:

923ed0dcf276aaa55c3540b3b45ea73d7b1e1f160d1fc2b823b6c1184926015d

Status:

Included and unchanged

Block:

#1,707 4,306 blocks after it

Position in block:

Transaction 237 of 420

Award day:

Mar 18, 2013 (13 yrs 7 mo ago)

From:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 1ST ED

To:

ALT CONSTRUCTION

Value:

₱293,250.14

Project:

13DK0016(I)

Full record:

Open the award page

Accountability

Bill Sec. 3 and 19

Responsible agency:

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - QUEZON 1ST ED

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 #1,707 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 - QUEZON 1ST ED awarded it to ALT CONSTRUCTION on 2013-03-18.
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 923ed0dcf2…26015dnow …
2. Block Merkle root changed
stored df25d49168…a0bb37now …
3. Block #1707 hash changed
stored d0397d554f…f96ff7now …

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

Merkle proof (9 steps)

How this one record is tied to the block's Merkle root, without needing the other 419 records. Each step hashes the current value together with the sibling shown.

leaf 923ed0dcf276aaa55c3540b3b45ea73d7b1e1f160d1fc2b823b6c1184926015d
01 L 9211b63d604de6095e6787271769daeacfdb6a6ede00e4eae697f4899f9a2ef6
02 R 3ccc59193196720b0c605bff23f80c2421c4f0bd157e61b8eb3f2a9c7ee52c30
03 L 678321d82ef2b8fb830053eaafee1f30a436931e4ca774c75a9edabfc957a47c
04 L 3f6775892f78ca2f5263c9c9366ffa17600aa2d0f535d895b4dc5cef9a9b7809
05 R 3ed47c826e0d23925604f58cd7f894d7b4ad01b3174cd1755d75421ef2dc6923
06 L a64dc042bf7c52c08adccdbdb4ceccc345c196c8249a4c217dc9fc9a5922e084
07 L b9614053881bfcac20fcdcca8d0586cb08e6f865adf92abb9c37e7bd2bec34f7
08 L 81fa575e44e921ab045e30d7492c44c863a4ad9deb9d41ff5f693e5efd1b2d83
09 R 0b9073ccc56980895072927713b29beaaf2bb5611c8bb300fdd5243dabf2fc34
root df25d49168018cb2d131af85d1d2be3685fb90230277c94c3563e66026a0bb37