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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

CITY OF TANDAG, SURIGAO DEL SUR Award a ₱1.2M contract to MEGA QSN CONSTRUCTION AND SUPPLY INC.Cities

Transaction hash:
af720d7204bc5babdcfc9407bdd22a3c7d97c7bb878c7af17b48a4d5a2a04e92
Status:
Included and unchanged
Block:
#4,462 1,551 blocks after it
Position in block:
Transaction 190 of 292
Award day:
May 28, 2021 (5 yrs 5 mo ago)
Value:
₱1,187,340.65
Project:
Construction of Foot Bridge, Brgy. Bag-ong Lungsod, Tandag City

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 #4,462 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)
    CITY OF TANDAG, SURIGAO DEL SUR awarded it to MEGA QSN CONSTRUCTION AND SUPPLY INC. on 2021-05-28.
    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 City of Tandag 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   af720d7204…a04e92now      …
  2. 2. Block Merkle root changed
    stored   06ae798e1d…4ba94anow      …
  3. 3. Block #4462 hash changed
    stored   58f6e6260e…14a322now      …
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 291 records. Each step hashes the current value together with the sibling shown.

  1. leaf  af720d7204bc5babdcfc9407bdd22a3c7d97c7bb878c7af17b48a4d5a2a04e92
  2. 01 R afd0d66d6319364967ad38499f787f9a5debfb47d05a288665deb20c0774934b
  3. 02 L d6e5cfcfe30d236c98a04120032ac614f55f4011edbcfcd07d0a66390c906cf5
  4. 03 L cc479ca2a8fcd7fd4b9863d548a2e9c5fee9e891efdcabe1dae37465d009eab2
  5. 04 L c5196d51022ed75a7e859c69f96320cf2b2b7b8be5820d6f616ce706cf66a807
  6. 05 L f5884a1f89928ddafee4baf19dcab89c49e427f732b583ce64690670279c9fb9
  7. 06 L fb5e3b65d56052fe6f59ffcd399be99a31e2ff4889b95160e725805802ebf149
  8. 07 R aa84d7db51a00d598e1cbe8dae800400fccfaa801b6da4ecdc58f854f162bbfe
  9. 08 L ae5dab38852129c23cd84c1a3970d009d1c9117e6481991ef138a314c3117002
  10. 09 R dd9e21ffcb8cae3feca40587982caaef1334036ccc11ccf2b8840b4537de99f5
  11. root  06ae798e1dbe0245ccaa7ddf8d31b3a744d60d3d95913a79a356b4282f4ba94a