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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 RIZAL Award a ₱4.1M contract to E.B. DE GUZMAN TRADING & CONSTRUCTIONNational agencies

Transaction hash:
cc96215bbbe6ba3ecd3c21dabc27fe55a2bbca29c196ee4ccca362f9a79a2a05
Status:
Included and unchanged
Block:
#3,183 2,830 blocks after it
Position in block:
Transaction 142 of 170
Award day:
Sep 6, 2017 (9 yrs 2 mo ago)

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 #3,183 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 RIZAL awarded it to E.B. DE GUZMAN TRADING & CONSTRUCTION on 2017-09-06.
    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   cc96215bbb…9a2a05now      …
  2. 2. Block Merkle root changed
    stored   85d80c1e2f…8ba82cnow      …
  3. 3. Block #3183 hash changed
    stored   b1dfbf1069…7241acnow      …
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 169 records. Each step hashes the current value together with the sibling shown.

  1. leaf  cc96215bbbe6ba3ecd3c21dabc27fe55a2bbca29c196ee4ccca362f9a79a2a05
  2. 01 R ced690fe2a39b15864985a5d238b540c517fe5b523fe219ecbc93392fb43967e
  3. 02 L ffa1237a552a6a008669d8a406926409a949e3499e1152e866807d4eee51f15c
  4. 03 L c643bb2d40a094cf1d4416e74ff56e421b54750473fa8e145bd328339dba7d56
  5. 04 L 9afc2a5109f23b9bb1e11f9294c3737805f2d91c7ece7cdee32ae1b510367631
  6. 05 R 5930db86693a5d8402297c7e0677384042c20049326196736c54894f52f64a37
  7. 06 R 18d1d881c771db533c53b398a0c831c7f9a8da8676a35e1cb244528a9beb7ab7
  8. 07 R 107342593003e3735dc6836fc66eac649b27507c9967404150495b6f2315274b
  9. 08 L af15412c887355fb9fad25b11b86a3f2c81d57e8ce4b93776033f3b6ff4ee9ad
  10. root  85d80c1e2ff95994573b22602c4a7e72c818ccef8e82fbf1282c5b12938ba82c