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

MUNICIPALITY OF SAN JUAN, ABRA Award a ₱2.0M contract to ROBUSTEK CONSTRUCTION AND SERVICES INCMunicipalities

Transaction hash:
a4aaa04fa2ca842c68c752fc1df604fdd8a1dc361d43741b9ea5d16a4e6fbb7d
Status:
Included and unchanged
Block:
#5,308 705 blocks after it
Position in block:
Transaction 134 of 200
Award day:
Oct 20, 2023 (3 yrs ago)
Value:
₱1,991,849.23
Project:
Construction Projects

Accountability

Bill Sec. 3 and 19
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 #5,308 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)
    MUNICIPALITY OF SAN JUAN, ABRA awarded it to ROBUSTEK CONSTRUCTION AND SERVICES INC on 2023-10-20.
    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)
    COA's CY2024 audit of San Juan gave a "qualified" opinion on its financial statements (not specific to this contract).
    Partly

1 of 8 documents found, 1 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   a4aaa04fa2…6fbb7dnow      …
  2. 2. Block Merkle root changed
    stored   33ec720daf…18e2e8now      …
  3. 3. Block #5308 hash changed
    stored   08024d3dd1…9ac9e4now      …
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 199 records. Each step hashes the current value together with the sibling shown.

  1. leaf  a4aaa04fa2ca842c68c752fc1df604fdd8a1dc361d43741b9ea5d16a4e6fbb7d
  2. 01 R a4e284748c8c6b72a2dfccc92faacb6a2cf691fb3f931c05c26d32dbed16efb6
  3. 02 L bbe7a84f9393e559fe4f86554d0ce48a5063ab1f072e280941d4eb3501874bb8
  4. 03 L f108bc458d42a73e74e1975b25267438a239375de1e023d8dd867c3d440dbd12
  5. 04 R a9de1e706b66db0af74a2c13f6ff4a6b18d17503c27b722c867208987cfa02fd
  6. 05 R 356de4700755caae0d42efaf342acc0880daf87f148d05df22dcfe0170d7def0
  7. 06 R f6bb9e6599c5685ddfc3eadeecde19b4949ba82e772e50767469c60da524e401
  8. 07 R c0457fd47d83ed86e9d49426a725aab914309685aedcc2fc922d1d573507596e
  9. 08 L 3bbf9fa43787d1c782558c081ec2bd43e428803d7e94a50395544711bf7e759a
  10. root  33ec720daf1569df6f5176b2b97df2db37c9f7698bd0a83e22bf7abd9018e2e8