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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 SURIGAO, SURIGAO DEL NORTE Award a ₱1.2M contract to AMA CONSTRUCTIONCities

Transaction hash:
4eecaf0a9d517cc72b4fa67774efb1b429903023b97f0bf8a647099a5693cba8
Status:
Included and unchanged
Block:
#3,274 2,739 blocks after it
Position in block:
Transaction 120 of 372
Award day:
Dec 14, 2017 (8 yrs 10 mo ago)
Value:
₱1,158,007.32
Project:
Concreting of Road, Brgy. Mapawa

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 #3,274 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 SURIGAO, SURIGAO DEL NORTE awarded it to AMA CONSTRUCTION on 2017-12-14.
    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 Surigao 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   4eecaf0a9d…93cba8now      …
  2. 2. Block Merkle root changed
    stored   a81d4e3db5…2fa0cdnow      …
  3. 3. Block #3274 hash changed
    stored   d1d96acc84…aa5ae0now      …
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 371 records. Each step hashes the current value together with the sibling shown.

  1. leaf  4eecaf0a9d517cc72b4fa67774efb1b429903023b97f0bf8a647099a5693cba8
  2. 01 R 4f4fcbacf1bb864195c222254e571d2955fecb14c03adfc4c9df687bfe000e5e
  3. 02 R 22443ce93e08aaada36410e6ee018f75061772267abba92a5cc70fb125540d43
  4. 03 R fdd43933c55793a723550a96255223ac8ad906610a77ac8b4f381762c691da9c
  5. 04 L 9b492ec16fd753764f2600a24d7695eed2b25932d9470bfbc39d8ddc16bc1379
  6. 05 L 88f034d79efa67a8ca85381af6e28b7a6ad0514ec7a8ee4f15a9b9b8695cf380
  7. 06 L 30df91295b5d3357c449850d281229b0ca0dc44a89b3cdfba0bfa698b86c7442
  8. 07 L 3a0e5ae3c90ff7a6ff53ae038c20d54238a8c1d1a631cabc9edd390b6d7b2481
  9. 08 R 65942732062424f2d8ebc7ba49dd3fa14bd02c7be3846d66d49ef488e8cfdfaf
  10. 09 R 147d57d4ea560a0b3e7ccadd27ba5a8b25f6ca8db379e06524c776344d149547
  11. root  a81d4e3db576df08180ac64553acbde5799f3838a9d83c72eed20aceb22fa0cd