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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 1ST E Award a ₱7.6M contract to 816 EMBER CONSTRUCTION CORPORATIONNational agencies

Transaction hash:
0bb4767f78019742e2c5196e181c5a795c39c1c9e2703d12871a20950559bda5
Status:
Included and unchanged
Block:
#5,093 920 blocks after it
Position in block:
Transaction 21 of 516
Award day:
Mar 14, 2023 (3 yrs 8 mo ago)
Value:
₱7,602,730.61
Project:
Contract ID No. 23OB0185 - Construction (Complet

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 #5,093 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 2023 CSSP", i.e. the FY2023 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 1ST E awarded it to 816 EMBER CONSTRUCTION CORPORATION on 2023-03-14.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 23OB0185: 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 2023-11-19). 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   0bb4767f78…59bda5now      …
  2. 2. Block Merkle root changed
    stored   2b7dfe6df8…3a0e3anow      …
  3. 3. Block #5093 hash changed
    stored   544257f4f4…90668bnow      …
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 515 records. Each step hashes the current value together with the sibling shown.

  1. leaf  0bb4767f78019742e2c5196e181c5a795c39c1c9e2703d12871a20950559bda5
  2. 01 L 0b48b199cf9e230139e46f7ef9bac83f15e62436643d2b73ea65e721244e482a
  3. 02 R 9bf79207c3c165fd1fd1a0b47c40280450535bead3584ece3bb7e6a24b21a91e
  4. 03 L a3f8dc8ba96bf0aa79f6228c57a4dfe5f966cdd600136ee00f72fae70baefa5a
  5. 04 R 96355751fa01eb9ad8b94ecd45b1d87d5561d957e027fbe07f782ba6fcd5675f
  6. 05 L c72cff17e57693572601069836e16e1da9d4db4e7f27959128a277813df25c9a
  7. 06 R 29250ffc102475a89b40c3d831b714968dce2f37d0178f6dcfd4e688f763ce6e
  8. 07 R 61b95a40b96533d4dca57ab90dc2d17315cd15436e88f2060a12cdf267c4a366
  9. 08 R c052aa3be4b5ae8bd700a66c2ea38310aad7752f8ab6b372ec0b893c4fdcbb90
  10. 09 R bc8fb0ea282b8122b555dfa50922b9a25649f8e61a67a2e39a31b499b84d7c42
  11. 10 R 7a07c4290de5a7fe66753e8a94c14114b51964e6aea90d70ded96159d19132ed
  12. root  2b7dfe6df89948a72938571143c918468165bc8628f84d97392a994c083a0e3a