Skip to content
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 SAMAR Award a ₱1.2M contract to J.A. CONST. AND TRADING CORP.National agencies

Transaction hash:
7b99aa07425edeecac457cbb765b19d12f39750db88e2e370158a043caa25b5c
Status:
Included and unchanged
Block:
#3,970 2,043 blocks after it
Position in block:
Transaction 155 of 343
Award day:
Dec 19, 2019 (6 yrs 10 mo ago)
Value:
₱1,186,448.65
Project:
CY2019 REPAIR FOR DENTAL CLINIC LIST1-LOT 2

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 #3,970 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 SAMAR awarded it to J.A. CONST. AND TRADING CORP. on 2019-12-19.
    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)
    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   7b99aa0742…a25b5cnow      …
  2. 2. Block Merkle root changed
    stored   88526645d4…d7e634now      …
  3. 3. Block #3970 hash changed
    stored   e7a8a32f80…e1ef1fnow      …
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 342 records. Each step hashes the current value together with the sibling shown.

  1. leaf  7b99aa07425edeecac457cbb765b19d12f39750db88e2e370158a043caa25b5c
  2. 01 L 7ab26dd379bf7d9360f32441272a3d36bbc2dbe1cdccb6cfd11d8e1ad33ddd05
  3. 02 L 6b39e468ff33e9031d8a3b6790c6244b2651d87c75204391832dd1ccfaa2049d
  4. 03 R 2bf9bf0210fc758c40325131411fd373db52939bd5259a7e97e3b2b1b7ce0bb3
  5. 04 L 2e0a5752ec11d06226d8ab114a0cc36fea3cc35e927cd85036dfd7015fda7dfc
  6. 05 L db834daaa4c091941537f3424c640d7732a5fac0cd6e0152dfedc5f5eb2aab3a
  7. 06 R 0cc9174cf2d78cec5ddcf50bcb318660c3369a1dbc2f74dc4507a2dbc257ef93
  8. 07 R d91db1c05b7ef9cee2da40160172d5774659a12500ef610b8962607365c9a39d
  9. 08 L c5c287a4472968eb2a4fb1b1d0393760191f2e2ebe31777a0d0543ac8ca3b8b6
  10. 09 R 6f7b024a34c486083b49673f367d9a99e1b2233fe028697a4cdb880d39174b77
  11. root  88526645d4e3fc4d5bc184ad49ce2413f8d929e18d4270394a4af6c905d7e634