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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 MANKAYAN, BENGUET Award a ₱499.9K contract to ZENITHAL-JNA CONSTRUCTION AND SUPPLYMunicipalities

Transaction hash:
b264a359ff4174a50e2dfb4c51d2d0e0d719de70017ac7166a4d649acc4f1d68
Status:
Included and unchanged
Block:
#5,083 930 blocks after it
Position in block:
Transaction 178 of 281
Award day:
Mar 3, 2023 (3 yrs 8 mo ago)
Value:
₱499,913.28
Project:
am-am view deck

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 #5,083 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 MANKAYAN, BENGUET awarded it to ZENITHAL-JNA CONSTRUCTION AND SUPPLY on 2023-03-03.
    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)
    COA's CY2024 audit of Mankayan 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   b264a359ff…4f1d68now      …
  2. 2. Block Merkle root changed
    stored   1d88aeafb2…130617now      …
  3. 3. Block #5083 hash changed
    stored   70ce44a46f…d13429now      …
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  b264a359ff4174a50e2dfb4c51d2d0e0d719de70017ac7166a4d649acc4f1d68
  2. 01 R b36e3819799fc7953c80c431e6fa18d557781aebbb8cfe26c8f3ef937b095ff1
  3. 02 L 74cb0e0581be16e48c7e7611a87a5c9d3fe3dee6aed3de0c93876920faa7dfb4
  4. 03 R bde831601b60631a9a8ff0a607d23730c67cab8822272b2f7d9e73cc4a645c3e
  5. 04 R 39d84b2e7c9ab1c26a2e4ed6c7310d1bb1c1208d9e4bf7e38f8f876372a55898
  6. 05 L 9f8fdc2fa05673df3e205e62c0b7a71c3a5534910ab15822befae3fc779c5124
  7. 06 L 7f3636d84e4c600014ae89f3fdf7280e16f68b16cefa82721d070050f62342a5
  8. 07 R 8f18ca6fc85503b3ccebc4850c7e02af035350286a0bd772e91d866eebfd07fe
  9. 08 L fb3471f7465745817c111d809b482a6f3ef6b8fbec31c82a3df80d4d5b57d818
  10. 09 R 7ac28c6a3ce3d82b556a6e2b33e8dd294ae5b1b41553cd6cfcd944b7f138bd1b
  11. root  1d88aeafb2165516bd75481343155ac5986fc38343fc89143154c97347130617