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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

PHILIPPINE PORTS AUTHORITY - PMO ZAMBOANGA DEL NORTE Award a ₱27.5M contract to GRACE CONSTRUCTION CORPORATIONNational agencies

Transaction hash:
f12bc9ea12f2f4fbf10447f9d5c958aab2b88aba82976f8fad0b57cd6c5919cf
Status:
Included and unchanged
Block:
#4,611 1,402 blocks after it
Position in block:
Transaction 445 of 475
Award day:
Oct 27, 2021 (5 yrs ago)
Value:
₱27,494,604.86
Project:
RC Deck & Pile Cap Liloy

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 #4,611 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)
    PHILIPPINE PORTS AUTHORITY - PMO ZAMBOANGA DEL NORTE awarded it to GRACE CONSTRUCTION CORPORATION on 2021-10-27.
    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   f12bc9ea12…5919cfnow      …
  2. 2. Block Merkle root changed
    stored   8bdfc8fae8…48b275now      …
  3. 3. Block #4611 hash changed
    stored   314b9ebd15…8f1203now      …
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 474 records. Each step hashes the current value together with the sibling shown.

  1. leaf  f12bc9ea12f2f4fbf10447f9d5c958aab2b88aba82976f8fad0b57cd6c5919cf
  2. 01 L ef5a93bb577863d9da2f1a3d0559c1f1569edd61a41a53f87fc8ed8062eb561d
  3. 02 R 33d355ff26ecfd975302f150f5d930ca3cfb9338b6064c5c485844d7b9f717ca
  4. 03 L 65cbe364f36d9328bed31bbb5f15ace689b3447adb0b41840699ad66fb0be6a8
  5. 04 L b197a2fdd1333977d141307229b604817ad665d55937ddf6e94275bb2765683b
  6. 05 L 505d44606df68830d0aff27cd5cbc6d743e2bed2c7899f76d3cfb1d4f7663b3c
  7. 06 L e28f2fe0091964c0efc66c721f3796cbd21d6ad8b2981f8d5fd1a4fc2470247d
  8. 07 R 0b683665b30a3ac5a6c4ed4ba34c186e2345f6dd47b1fbf351b690ad294d190f
  9. 08 L b94f230b2f671435934c852e429603c2b6c2548538f966d67da58d4156d813f4
  10. 09 L 818f346d52c7907f82b0bc2bef454d10b770b6ef4415cf9dc7ac2dd427639e09
  11. root  8bdfc8fae830a3827356c9dcf45c6a45478a6d829ff8d6fffeea5a183348b275