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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 ₱2.0M contract to WIL TAN CONSTRUCTIONNational agencies

Transaction hash:
d8ef45edbbd4e49e85e8906e73a550aae883ad19e0c71a30b9cea9d60e86b925
Status:
Included and unchanged
Block:
#3,531 2,482 blocks after it
Position in block:
Transaction 204 of 237
Award day:
Sep 12, 2018 (8 yrs 2 mo ago)
Value:
₱2,045,231.52
Project:
CY2018 Conservation&Restoration Gabaldon-Cluster 7

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 #3,531 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 2018-09-12.
    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   d8ef45edbb…86b925now      …
  2. 2. Block Merkle root changed
    stored   41b02dc1fb…23b96dnow      …
  3. 3. Block #3531 hash changed
    stored   78c4adcee5…fcc8a7now      …
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 236 records. Each step hashes the current value together with the sibling shown.

  1. leaf  d8ef45edbbd4e49e85e8906e73a550aae883ad19e0c71a30b9cea9d60e86b925
  2. 01 R d95c1733738c80b69320ef01f10acf8a9d360c2c42b75f347f96b1879e7c0323
  3. 02 R bc2ed9563eb7441acfff583570d4aa3fbf1befbf1cb4685468e3808f7d679dbd
  4. 03 L d5904f5e96879df11963748a3296b6d6ba0a643f6b9b1d7ad42a47d106f43857
  5. 04 L 802964cc48b554ab1faabd405352dfcfc201d3ab6b18ad3fd29969bf6ed7445b
  6. 05 R 885b562448d764b87d13e2d75d238a9bdc55ef0c1f7422b5bb82bef6df2fb6b3
  7. 06 R 9b3e8baddfbb6467603a9e5eea283e97a99c087ff086c1c32cfcf38b7db07edc
  8. 07 L cdb3233cf55cf44c827371aee9eeef91cc55ed5a4e2a6ca52d1773a5208a87da
  9. 08 L 930d2cb750c5b84744864a18c3d39241778c5fcf7a61c5c2d5a10fa9a1464836
  10. root  41b02dc1fbef32333881115d040af1908879f174c88b306bf19118cd6c23b96d