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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 TANJAY, NEGROS ORIENTAL Award a ₱2.6M contract to SILLIMAN AVENUE CONSTRUCTION & SUPPLYCities

Transaction hash:
d74f9224fd705fbcdcd8a7642135798b45a8f093befb51427ea81c5ff154535a
Status:
Included and unchanged
Block:
#3,556 2,457 blocks after it
Position in block:
Transaction 112 of 137
Award day:
Oct 9, 2018 (8 yrs 1 mo ago)
Value:
₱2,641,607.64
Project:
Construction Project

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)
    CITY OF TANJAY, NEGROS ORIENTAL awarded it to SILLIMAN AVENUE CONSTRUCTION & 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 City of Tanjay 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   d74f9224fd…54535anow      …
  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  d74f9224fd705fbcdcd8a7642135798b45a8f093befb51427ea81c5ff154535a
  2. 01 R d851c5a68c7498ad9a2b9db6eb6a3c95614b5eda36b9d438aa4188f11fc87c40
  3. 02 R 2e4ef7e8740b3346665d3beab9fce7d2221a91fc72d68bbf1c80ee19d551519e
  4. 03 R cecadc12ef7416576f11deacb6155a41ef40ebc287bfdf619a35fae982877284
  5. 04 R 4828632b267520039098bc8577895d5ee976dc43402032f933d1b396be33a39c
  6. 05 L a0a857c8d05b67604c354e3aa204d632845ad141e2d83d2034bc0e94fdf89053
  7. 06 L 9efb7202f2ecdfdd7ca6d44dcc4ac38c18a6d9dd21ebba44d6970ee9b3d83719
  8. 07 L 6921bfe10cfd9fb0c1f223cbccea7ad050b86add5257148ba102d2cda0a66047
  9. 08 R 1f751995889d6d0e50ea29ab7d7c2ad0d0003b5e5597b1b0db46e85e79400688
  10. root  b716d36deb010b1bc71470a996b4f19ea517c8578dcb06c4d47feb54f2f78785