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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 - METRO MANILA 2ND E Award a ₱14.0M contract to CALCON ENGINEERINGNational agencies

Transaction hash:
6aed6d7406babc4e41e9320b0a215864c754da90e10667a02e5f39f86ac17abe
Status:
Included and unchanged
Block:
#3,765 2,248 blocks after it
Position in block:
Transaction 244 of 572
Award day:
May 17, 2019 (7 yrs 5 mo ago)
Value:
₱14,026,925.59
Project:
Construction of Multi-Purpose Building

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 #3,765 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)
    DPWH lists the funding source as "Regular Infra - GAA 2019 LP", i.e. the FY2019 GAA. The exact UACS line is not given.
    Partly
  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 - METRO MANILA 2ND E awarded it to CALCON ENGINEERING on 2019-05-17.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 19OC0176: Completed, 100% physical progress.
    Found
  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)
    DPWH marks the contract "Completed" (end 2020-12-27). The certificate itself is not published.
    Partly
  8. 8. Audit
    COA annual audit report · Sec. 5(e)(iii)
    No COA finding linked to this contract.
    Not published

2 of 8 documents found, 2 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   6aed6d7406…c17abenow      …
  2. 2. Block Merkle root changed
    stored   6e1c0a6eac…6b661anow      …
  3. 3. Block #3765 hash changed
    stored   1882b9247e…544a4fnow      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (10 steps)

How this one record is tied to the block's Merkle root, without needing the other 571 records. Each step hashes the current value together with the sibling shown.

  1. leaf  6aed6d7406babc4e41e9320b0a215864c754da90e10667a02e5f39f86ac17abe
  2. 01 R 6c04cf24b49e8670500542db044a5c9b10d2ca76f8b1ce8d08eaa4c364aee2f4
  3. 02 R 1149d3801e52eff0e9d7e5f8e88a0088684dcfe411868f7229d1c479db25d4e2
  4. 03 L ca0a375453c80d26d3d99773275948d1669eeea8ad4350516187d874ace8d2d0
  5. 04 R 20f9516adadfa21948afbcf4ecf835e31e9c27beb64d92e7e6e861c172d6ddaf
  6. 05 L c36eb1ff632001da99af6da8cec63bc8684904cd7ee25dbb0fbe3677b2f0ed1e
  7. 06 L 5ac17fe8e128c9a170f2feb953ea154d96e81d8bae4459cd7405c04bdf37ced4
  8. 07 L 16f6f368ceea5f7419cdc56ba3498b11ebf00ddaf0787160f037a7e9a2015301
  9. 08 L 2fb37d66023183c1e6867617a3e5d8776658ac1da4666ac6c058347c6a1ab05b
  10. 09 R 138b0667a416d8e6a5237bf26ed1c6a5192fe31b157e88528cd3b678bf582ffa
  11. 10 R 9aeea7dd33e2771c5e9f6f1bb43e3c792a07fbd767a0bd5267f481f6c58fd262
  12. root  6e1c0a6eac84008020a6e77fff529562ca1bf049e88b50b4024558e3336b661a