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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 SAN JUAN, LA UNION Award a ₱990.5K contract to E. E. MADAYAG CONSTRUCTIONMunicipalities

Transaction hash:
0db2cf33e5eefecc5fad0e4059cf922416584f1fde3114f35c3fb8f71ad0becf
Status:
Included and unchanged
Block:
#4,285 1,728 blocks after it
Position in block:
Transaction 43 of 754
Award day:
Nov 19, 2020 (5 yrs 11 mo ago)
Value:
₱990,541.97
Project:
Building Construction

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 #4,285 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 SAN JUAN, LA UNION awarded it to E. E. MADAYAG CONSTRUCTION on 2020-11-19.
    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 San Juan 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   0db2cf33e5…d0becfnow      …
  2. 2. Block Merkle root changed
    stored   dc3fa16ed9…913202now      …
  3. 3. Block #4285 hash changed
    stored   d67efe756d…bd11a4now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (10 steps)

How this one record is tied to the block's Merkle root, without needing the other 753 records. Each step hashes the current value together with the sibling shown.

  1. leaf  0db2cf33e5eefecc5fad0e4059cf922416584f1fde3114f35c3fb8f71ad0becf
  2. 01 L 0d48805de8e7870f45657540d5836497ca8ec9b7dade472153a721b8bce76e8d
  3. 02 L e7a22ad842c48b35ced5a76f80b7bc17963703cea82dfec821052a2e4f0d886f
  4. 03 R c04c0e131ed18c7eadca7a002ffc3f9dc17166bdfbaa0cd74231a08e016ee941
  5. 04 L ff60ade28901d0dbc8273bb8ec76cd432bebde633211155b0c8c9934745e3dc8
  6. 05 R e13342ec83e233cbbb73093d512d75cae7251cb4afac67cb4c2ae35294c0f053
  7. 06 L 6f5abd3c29ebbee47c11c079c34e2b3a2c91d2e5cc8cac760d366aa783eaf2ae
  8. 07 R d1cfc48dca1fff82343da4d0a12400eb8002a86f0ff203c88a5eb28711bb5f6f
  9. 08 R 1b0e7a28f27e02120092744c40d437442f835fb79e1c48ee9ddce8db41e40576
  10. 09 R a9c1dfa61c62b0c854e24001c5f5d14f47d102cbec427105c209cbcf6a2163d3
  11. 10 R 84026fbd3ec010653bd3bc6e31d00ae9738b06a07881c7734b5ea52bad9d2f94
  12. root  dc3fa16ed9ceee86290dd88ca648772c944c0a0f78b1d724aae1236ff1913202