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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 EDUCATION - DIVISION OF BOHOL Award a ₱6.7M contract to WIL TAN CONSTRUCTIONNational agencies

Transaction hash:
a8eb74af3e98ddbb06550dcfbd647d07aa9c6409a559636a2230217164007bd3
Status:
Included and unchanged
Block:
#1,956 4,057 blocks after it
Position in block:
Transaction 614 of 942
Award day:
Dec 27, 2013 (12 yrs 10 mo ago)
Value:
₱6,702,241.98
Project:
New Con PPP-SIP Batch 2 - Cluster 22

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 #1,956 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 EDUCATION - DIVISION OF BOHOL awarded it to WIL TAN CONSTRUCTION on 2013-12-27.
    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   a8eb74af3e…007bd3now      …
  2. 2. Block Merkle root changed
    stored   7d3da0bd45…882fa1now      …
  3. 3. Block #1956 hash changed
    stored   f63e797a64…808eadnow      …
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 941 records. Each step hashes the current value together with the sibling shown.

  1. leaf  a8eb74af3e98ddbb06550dcfbd647d07aa9c6409a559636a2230217164007bd3
  2. 01 R a979ad30f834469b808f4dce706843a137a11ed11b201119bdd098b98ab4915b
  3. 02 L fc47b0a321a05fe786f2787934d2c7bdc5e41c965db84467a939305b89353832
  4. 03 L 05fb49c79d671e81892c7237b1140658a4b63532f1d9811d3d21db7e749e1dc6
  5. 04 R c997f34fab4eedf7b78eafbdbf6250d9d0ab6e14eb63ef3a4e44e7da05477b05
  6. 05 R 3ea4e9c44d192441d7bb3390cd5251369249603df7901f3abde1556142234337
  7. 06 L f62c691702abe15b74f25ee15a0ed98f15677b7c36e3aa6d3ef43f35964b0291
  8. 07 L bf6c040148bc8446931579e75e24af59fc827b8948cfd550593cd83a5e99b8b5
  9. 08 R 51b5cce4b932944968f3e6771f99fb8e4f6f55f0e5147ed445c857564a51e176
  10. 09 R 39c2ad31bbe646dc243524e4e882b5f39da8038a582c9d2557020f41ce3451ca
  11. 10 L 8ba5891cefdaeeccdb9b08d551d5aa213fea1131ad13367d20f4cbb600c1d978
  12. root  7d3da0bd4522dce529c741a8710ce84cfbd65ecc3cfe65a3e47a8b90e5882fa1