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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 - ISABELA 3RD DEO Award a ₱28.5M contract to ALPHATEC CHEMICAL CORP.National agencies

Transaction hash:
005dbbeeb16bf473933538efd78e3f327398cdc9be970ed8e6394361587b0e70
Status:
Included and unchanged
Block:
#4,008 2,005 blocks after it
Position in block:
Transaction 3 of 437
Award day:
Jan 28, 2020 (6 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 #4,008 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 - ISABELA 3RD DEO awarded it to ALPHATEC CHEMICAL CORP. on 2020-01-28.
    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   005dbbeeb1…7b0e70now      …
  2. 2. Block Merkle root changed
    stored   a92e1aca8f…f45ebenow      …
  3. 3. Block #4008 hash changed
    stored   25ff382826…7af622now      …
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 436 records. Each step hashes the current value together with the sibling shown.

  1. leaf  005dbbeeb16bf473933538efd78e3f327398cdc9be970ed8e6394361587b0e70
  2. 01 L 0046fcab1927bd5bfc9abb85956319be534ba66be61b7e48fffc8fcac54d1bee
  3. 02 L 6ae3646d081f0a9950fe6a99d577d3f585986c09e3399766f478f8b953d802e3
  4. 03 R fa77f5e47d116e805a2d2d6eb4e107673223401483824dcc65dce19cfdd2e3b6
  5. 04 R a64d6ca269689d2ce98130c66df9939fba9703a9e502fef026b5c320b669051e
  6. 05 R 5c3a829f8bc4d1ba05907152eb7363f716abcaaa6a9c6309c9c9b81c1422718a
  7. 06 R 3025bd2b468d92b4063a581bf53b9e19d59d74f689230687ac08023b7b65761e
  8. 07 R 0c00cee8867a5b262634edb2e0658562017fd3d92436cce43be9e0457252e917
  9. 08 R 89b9a273ea3b8d08e99867cdaad63411e1def24634f1438b120fa4ea31d662bb
  10. 09 R 4ca8e9fd4e37c75c5490b28a9d0ecfe220c2bb1e6245afc79a6153e9bd452df5
  11. root  a92e1aca8f9c34683f6d0bbe7b703d5895bd242dde1f8ed4d2b90912daf45ebe