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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

DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PAMPANGA 2ND DEO Award a ₱1.9M contract to MAM CONSTRUCTION AND TRADINGNational agencies

Transaction hash:
f62d3cc9e5d4a81ae2db8a498705a8b4c3b8e575e70b1658c00cb75cda62c2ab
Status:
Included and unchanged
Block:
#3,122 2,891 blocks after it
Position in block:
Transaction 207 of 219
Award day:
Jul 3, 2017 (9 yrs 4 mo ago)

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 #3,122 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)
    DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS - PAMPANGA 2ND DEO awarded it to MAM CONSTRUCTION AND TRADING on 2017-07-03.
    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)
    No COA finding linked to this contract.
    Not published

1 of 8 documents found, 0 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   f62d3cc9e5…62c2abnow      …
  2. 2. Block Merkle root changed
    stored   9998b7b1b2…5b23a3now      …
  3. 3. Block #3122 hash changed
    stored   e497d5ab4b…5419f7now      …
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 218 records. Each step hashes the current value together with the sibling shown.

  1. leaf  f62d3cc9e5d4a81ae2db8a498705a8b4c3b8e575e70b1658c00cb75cda62c2ab
  2. 01 L f595764779425bdf322f0232b22deafbb30a976e42a361d2a075f5f39466111a
  3. 02 L 8a2149cc6d8624a73efcaa65df75caf24eec8e8c6763985f71a1c211d12e77e0
  4. 03 L 2aa8ff8337109881ab30974760a67588776436b46bb86ab4feafa3abaae34de8
  5. 04 L 42d7444d4e0861baa5b7352b312c0fdf39cc5df292bfec5d0286a00bbddbdf32
  6. 05 R 9f2c8e1b2c8e4ee2a8586c1272c1ec4e8bb3a27a4a7ee788a9d024d175a77192
  7. 06 R 4ca8451755c8023275a736a00081683367869ccbb3c092ad36610c45ade5fd6e
  8. 07 L 69e220f611c64b83885e116b5e684a57e8526cc3981ac41bed2c329f92d13f69
  9. 08 L 441301d5fd128b33f99c134f053a083793ba961ede9da098d339381bfd1d07af
  10. root  9998b7b1b2e362d679c082cd70940ae65a8d64c41110df4bcc36a4801d5b23a3