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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

CITY OF CALAMBA, LAGUNA Award a ₱4.0M contract to DATZLAV CONSTRUCTIONCities

Transaction hash:
64446c6fc17d52fce1b68f2819858941bb7c111d7c11f50375c4f4c5ea695bd7
Status:
Included and unchanged
Block:
#5,318 695 blocks after it
Position in block:
Transaction 123 of 300
Award day:
Oct 31, 2023 (3 yrs ago)
Value:
₱3,983,319.44
Project:
Hope Intervention Center

Accountability

Bill Sec. 3 and 19
Responsible agency:
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 #5,318 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)
    CITY OF CALAMBA, LAGUNA awarded it to DATZLAV CONSTRUCTION on 2023-10-31.
    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)
    COA's CY2024 audit of City of Calamba gave a "qualified" opinion on its financial statements (not specific to this contract).
    Partly

1 of 8 documents found, 1 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   64446c6fc1…695bd7now      …
  2. 2. Block Merkle root changed
    stored   0809e1eb89…495ae9now      …
  3. 3. Block #5318 hash changed
    stored   3e31ee8e3a…7e29fcnow      …
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 299 records. Each step hashes the current value together with the sibling shown.

  1. leaf  64446c6fc17d52fce1b68f2819858941bb7c111d7c11f50375c4f4c5ea695bd7
  2. 01 L 63da6921c0de7f43b306bfba1a37c9cf76c7fea8ff22280b5da40f95f3c29fce
  3. 02 L 054d0068a8d6a9003aca6e42526a5c16d06d4476ac0a080e64ac0adc8a713aaf
  4. 03 R 2fff25c54719e520f3320a983b680b513830d2861fa44ee0bb7c7ab53662668d
  5. 04 L 612f63c920254d4e3ebd0e1be629abc17f7d808489b04c8028e94d84153d3c9d
  6. 05 L 64d191838dd32a9b0135e69bfcdb92c900c600f40330b68fc438da91b8752412
  7. 06 L 52dedbdb339eb4f62915fc2269e61e63d26819420013b7dcc19a5ce2887bca87
  8. 07 L ff58a395fe87acf72496ed68e49dc241eac744428dc0aec7cd8887112b9ad059
  9. 08 R 4fac7072c6c2c61943f240ddbd990dbf24866c537728000c5d141f1a1b25f085
  10. 09 R 9c23f94ce641d7dd27b021379156125fb1edf73bf5f7702c3cf132a89dc03823
  11. root  0809e1eb89f555f1c02c89cf46411e48066a715e71f2c817efdd08eaea495ae9