Skip to content
FY2026 GAA: ₱6.79T
PisoScan
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

NATIONAL HOUSING AUTHORITY Award a ₱62.8M contract to NURBEN ENGINEERING AND BUILDING CONTRACTORNational agencies

Transaction hash:
d414d0fa2dd28cb531dfc7e575a39cd74fad08daf842f54fa27a4ec8ed632c6b
Status:
Included and unchanged
Block:
#4,467 1,546 blocks after it
Position in block:
Transaction 182 of 222
Award day:
Jun 2, 2021 (5 yrs 5 mo ago)
Value:
₱62,813,681.00
Project:
2021-04-002 (INFRA) Ayer Village Subd. Ph. 3

Accountability

Bill Sec. 3 and 19
Responsible agency:
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 #4,467 signature valid Demo key, proves nothing about the governmentPublic key

Linked records: from budget to payment

Bill Sec. 5
  1. 1. Appropriation
    GAA line item · Sec. 5(b)
    The award does not say which budget line pays for it.
    Not published
  2. 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. 3. Cash allocation
    Notice of Cash Allocation · Sec. 5(c)(iv)
    Not published per project.
    Not published
  4. 4. Contract award
    Notice of Award (PhilGEPS) · Sec. 5(d)
    NATIONAL HOUSING AUTHORITY awarded it to NURBEN ENGINEERING AND BUILDING CONTRACTOR on 2021-06-02.
    Found
  5. 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. 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. 7. Completion
    Certificate of completion · Sec. 5(d)
    No completion certificate published.
    Not published
  8. 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.

  1. 1. Record fingerprint changed
    stored   d414d0fa2d…632c6bnow      …
  2. 2. Block Merkle root changed
    stored   2ef6983720…2570f7now      …
  3. 3. Block #4467 hash changed
    stored   f883b369d1…59709cnow      …
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 221 records. Each step hashes the current value together with the sibling shown.

  1. leaf  d414d0fa2dd28cb531dfc7e575a39cd74fad08daf842f54fa27a4ec8ed632c6b
  2. 01 R d42a18368a354ef69bb515e4e413ec0f53bfb2337e0a8999913a4bd47d75b5db
  3. 02 L f4477026eaa6425bf42ec40cd009c52b2a218483076af9162b9d00d2090bb536
  4. 03 L d857b36b1b4c6e2477c9b28b049273d1e6b1e3ecc3affee1fcdb8b51b8317340
  5. 04 R b25eeac556b896d03f6d12e4f24b0bae4a27629d4a5adc87f1136210488187dd
  6. 05 L 1c887a31c500012efc0b0902bfc583145ae77b0b834230af92888226f0be3150
  7. 06 L 5b6c0087c62a012ea4a00a6156daf9885a33d23259adad272a531f3b7feb7d7d
  8. 07 R 88b4c10978ac8ce62bf5b53a34cc74c37d6052414328abe409d9666abaf47321
  9. 08 L f6a490da019fceb555e8ac498bb08daade14a84bea9e3936dfce873924fdde64
  10. root  2ef6983720060ea8995d8eb75af22d4b81b080ba6d20c6d0785e56701e2570f7