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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 VIGAN, ILOCOS SUR Award a ₱290.4K contract to ELKAN ENGINEERING SERVICES & GENERAL MERCHANDISECities

Transaction hash:
014b6ca58c75b9ff3fa65e5b7db628e15fe64c2e206853952a05017a4a2f0847
Status:
Included and unchanged
Block:
#4,632 1,381 blocks after it
Position in block:
Transaction 1 of 215
Award day:
Nov 17, 2021 (4 yrs 11 mo ago)
Value:
₱290,375.03
Project:
Repair and Improvement

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 #4,632 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 VIGAN, ILOCOS SUR awarded it to ELKAN ENGINEERING SERVICES & GENERAL MERCHANDISE on 2021-11-17.
    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 Vigan 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   014b6ca58c…2f0847now      …
  2. 2. Block Merkle root changed
    stored   bc73f52141…a8955cnow      …
  3. 3. Block #4632 hash changed
    stored   0fdc31b129…117943now      …
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 214 records. Each step hashes the current value together with the sibling shown.

  1. leaf  014b6ca58c75b9ff3fa65e5b7db628e15fe64c2e206853952a05017a4a2f0847
  2. 01 L 006428f8541259a9fb805d5f323e9e40e939b0bcb43bb683f9443e13d2359ebb
  3. 02 R a8e4f45ed03ba7364ca14f22081dc626f6668282d62a70c51ff530f30a984d4f
  4. 03 R a421f32addd7d8a92c1b7b85e8e77bceb910b4857fdba1250afcba57001b2346
  5. 04 R 80aca203b6be09d2aeec10333f156a89d3b00add2bd6942587f7da11afcf0bc7
  6. 05 R d52ef34ac34589ff7139984ee4d940354d236f06c741398d3b3fd60c972cbe6f
  7. 06 R 66428bab45e6694a1a5e4d3d6331bb8fe72225f4cd6596feff25ccbad2f0d7f4
  8. 07 R 263c36e9ce5b56f1da2164c62b7504d3cc47be8d81184679f2ebfe63ed7171ac
  9. 08 R 7b8a3cc175fcc676827e69d8fc23e073f5ea7892b26a735e188bf8ec9269cf2e
  10. root  bc73f52141b526c52105c8bf2de287d9ef9a812fef42b36b56647d477aa8955c