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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 NABUA, CAMARINES SUR Award a ₱996.5K contract to EA-EC CONSTRUCTION AND SUPPLYMunicipalities

Transaction hash:
e3b03176bd0a2c8b8a517041d753cae2ade093b208f5f39028a2479469049194
Status:
Included and unchanged
Block:
#4,475 1,538 blocks after it
Position in block:
Transaction 258 of 281
Award day:
Jun 10, 2021 (5 yrs 5 mo ago)
Value:
₱996,500.00
Project:
2021 INFRA 054

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 #4,475 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 NABUA, CAMARINES SUR awarded it to EA-EC CONSTRUCTION AND SUPPLY on 2021-06-10.
    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 Nabua 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   e3b03176bd…049194now      …
  2. 2. Block Merkle root changed
    stored   458f8766b2…25418cnow      …
  3. 3. Block #4475 hash changed
    stored   bc65a2f159…5fbff2now      …
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 280 records. Each step hashes the current value together with the sibling shown.

  1. leaf  e3b03176bd0a2c8b8a517041d753cae2ade093b208f5f39028a2479469049194
  2. 01 R e5bcf8dfad2868f2db3aaa8bda142c2f127b88dc59b6437c7d7963f62363cf04
  3. 02 L 88086a2280bf8fb9294f46719a219bb5febd8c1153a52a16b52d25533e757795
  4. 03 R d3175a3fe877cac8771a8a8310e830c2e218b861931d25297fd5fba50a66ac6d
  5. 04 R 1a0466d6f0cdf816f69f84cef1ebcbea36fe6b418821a807999ffb7ade1a5e34
  6. 05 R fd2288305c332f7712a58dfa001ac8e593a0360a77a4fdb6e22b14dbb41a421d
  7. 06 R 936799c9caa92dedcfea18e8d5a1da3676fd75716d560977faa3da021ff5a90a
  8. 07 R 4fce3395dcf4d773531b815b99528c7a65edc53db9042354abca3b85461df523
  9. 08 R 8893ad7a7da838fbb4649913c6d9cd012cbf7a7c371dcade61c9fd6874fc732b
  10. 09 L a321bfba5246c501dec986a5a4451b5f14f840723bc7be4e5339b59312f550c2
  11. root  458f8766b2dfd915692e867ef72709f358d40e1c4868ba6b358dc86df825418c