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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 CATARMAN, NORTHERN SAMAR Award a ₱297.0K contract to AREX BUILDERS & CONSTRUCTION SUPPLYMunicipalities

Transaction hash:
75615ef148a9b7ac9c2ff10815f94ad7a926049a3ceb0208faf2a9e70ba15a0a
Status:
Included and unchanged
Block:
#3,491 2,522 blocks after it
Position in block:
Transaction 179 of 399
Award day:
Jul 30, 2018 (8 yrs 3 mo ago)
Value:
₱297,020.24
Project:
Installation of Water Facilities

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 #3,491 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 CATARMAN, NORTHERN SAMAR awarded it to AREX BUILDERS & CONSTRUCTION SUPPLY on 2018-07-30.
    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 Catarman 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   75615ef148…a15a0anow      …
  2. 2. Block Merkle root changed
    stored   4f399b2d77…2e0b0cnow      …
  3. 3. Block #3491 hash changed
    stored   88a8ee424d…916522now      …
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 398 records. Each step hashes the current value together with the sibling shown.

  1. leaf  75615ef148a9b7ac9c2ff10815f94ad7a926049a3ceb0208faf2a9e70ba15a0a
  2. 01 L 75059206206410bfd33001b0b06c430675e20b443f413326df8561c61a7474d6
  3. 02 L b06433149f418669a2c57f2b849191bee6ff954ac7357457799f69be7c83a617
  4. 03 R cc69b58f10f1f3e804903acf15603cbb85fae7981194b3bd1cce3ea596314a22
  5. 04 R e473ef593181e014c0e45acbd5c364855c3654a2c0112c50d8fadaf1b6f86125
  6. 05 L 686b2b79c176fbb5d4c9f43a86490dd18de0710816de67c164a3dd9814786d02
  7. 06 L d48176ca0694aecad3d8494ced876efd938ace8b57cf34ffd2469d7038a23b95
  8. 07 R 73c6334503f174f7435b4fffc7d3e5670c0265480169dc595df5121e25869ef7
  9. 08 L c8b7db686afdfd1992d1304ec57f8d864b91ae4f2fc04ac1b0b14a282ef9d3dd
  10. 09 R 8dd685713fe99ff975623a76fa4cbd4377f978a1587a931bfbc4716a39773ae7
  11. root  4f399b2d77c82fa4be22641b7f1c799c507cbf685a15407ac10e1d55ae2e0b0c