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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 PEREZ, QUEZON Award a ₱9.2M contract to ZELAN CONSTRUCTION AND SUPPLYMunicipalities

Transaction hash:
f61dc52103232cbf8d2cdf0bd9ba0df8fc4a2296cd4fd4ec17e1a205c5e14239
Status:
Included and unchanged
Block:
#3,556 2,457 blocks after it
Position in block:
Transaction 132 of 137
Award day:
Oct 9, 2018 (8 yrs 1 mo ago)
Value:
₱9,193,145.84
Project:
Core Local Road Upgrading

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 #3,556 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 PEREZ, QUEZON awarded it to ZELAN CONSTRUCTION AND SUPPLY on 2018-10-09.
    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 Perez gave a "unmodified" 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   f61dc52103…e14239now      …
  2. 2. Block Merkle root changed
    stored   b716d36deb…f78785now      …
  3. 3. Block #3556 hash changed
    stored   a1d9fda014…7412c2now      …
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 136 records. Each step hashes the current value together with the sibling shown.

  1. leaf  f61dc52103232cbf8d2cdf0bd9ba0df8fc4a2296cd4fd4ec17e1a205c5e14239
  2. 01 R f6e88f128046cf174deaeb1b17083ff0c0e4f63f9e0e7190ab2a4edfb7244d3c
  3. 02 R b8b59a7c43d188bcb9a9c643641f9ace158c50b66e70e722367ff81981e311fb
  4. 03 L ccc375f3e92a2654064c1f0368367b7415d98fe7adb19989c24f660ce7e462dd
  5. 04 R ec70bf6255413c1d7f68513f686eb9f697ee140986f02e609144c94b9c1719bb
  6. 05 R f7e4d59ead86d58bb8301ba696c3e61a7fd9a81c1a64afce916d53fe7cbf6673
  7. 06 R 7b95974cebf0bf5daaa536ec22592d9eba8da9c88a493b841a497896134408a8
  8. 07 R caa2ae0113f0d6003080a3cf9ce50331515b332ac342b520e4d8488e16589cad
  9. 08 L e81c80fd7b2ee1a72917929c216f3bfe044403e86b527e10a490058409c6ea3d
  10. root  b716d36deb010b1bc71470a996b4f19ea517c8578dcb06c4d47feb54f2f78785