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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 PUBLIC WORKS AND HIGHWAYS - SAMAR 2ND DEO Award a ₱13.8M contract to CHU CONSTRUCTIONNational agencies

Transaction hash:
2cfdc2e618b3a6f6502634df5bdc48d218b95b5fce24dcf438b8e287fbe94a12
Status:
Included and unchanged
Block:
#2,976 3,037 blocks after it
Position in block:
Transaction 49 of 305
Award day:
Jan 30, 2017 (9 yrs 9 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 #2,976 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 PUBLIC WORKS AND HIGHWAYS - SAMAR 2ND DEO awarded it to CHU CONSTRUCTION on 2017-01-30.
    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   2cfdc2e618…e94a12now      …
  2. 2. Block Merkle root changed
    stored   a94209595c…3f8c78now      …
  3. 3. Block #2976 hash changed
    stored   79a78ac92b…d17742now      …
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 304 records. Each step hashes the current value together with the sibling shown.

  1. leaf  2cfdc2e618b3a6f6502634df5bdc48d218b95b5fce24dcf438b8e287fbe94a12
  2. 01 L 2c71eec3b263ad6e8490886b1b2071c257e0d30740901a6382a38e993155d6db
  3. 02 R 57748dc5077ce20adb21db5224a479e1f8d287106c6970da448360e142300bc8
  4. 03 R 8b730614747e848b4f9b8c6321029552cbf788c6a13d59ec0962029e265db76a
  5. 04 R a5f9354536fa8f54ca85f6ec3d0c78f1f7156cb6c8fe7400cd8411124738c9b0
  6. 05 L ee5aec09d171ae2ef6085d01b6d7bd60c7acf336e4dce9113eeceada6da567e8
  7. 06 L cd07fe592269ff57176610dbd8879ec44588c6883e60892a3beb30306beaa50c
  8. 07 R 6d6b20ee74eb5097e6d5abfb2de1a08a07b4c474913e2a46c7c0c34e94bb40be
  9. 08 R 48dc1ab3a791d5b813666eaadbf94c60df21fdbf3f414f335392f9aedff66263
  10. 09 R e5d56193e6db6f8baae0315fb0787dd589f133a6973fdef9d7648488f5c22165
  11. root  a94209595ccb6b61f558c17fec6dedfbf7921517bdfdf92d31a0961e403f8c78