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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 - SOUTH METRO MANILA Award a ₱19.1M contract to AARCON BUILDERSNational agencies

Transaction hash:
3b49ee73fe2b8fbdda88f9e21e1c386f3dfc5a7dafe8fccabacaf23a550d3f31
Status:
Included and unchanged
Block:
#4,427 1,586 blocks after it
Position in block:
Transaction 66 of 247
Award day:
Apr 21, 2021 (5 yrs 6 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 #4,427 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 2021 CSSP", i.e. the FY2021 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 - SOUTH METRO MANILA awarded it to AARCON BUILDERS on 2021-04-21.
    Found
  5. 5. Contract & progress
    Contract / progress report (DPWH) · Sec. 5(d)
    DPWH contract 21OH0070: 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 2021-08-10). 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   3b49ee73fe…0d3f31now      …
  2. 2. Block Merkle root changed
    stored   a18e5850f5…11c264now      …
  3. 3. Block #4427 hash changed
    stored   316e46d27a…7d19e5now      …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.

Merkle proof (8 steps)

How this one record is tied to the block's Merkle root, without needing the other 246 records. Each step hashes the current value together with the sibling shown.

  1. leaf  3b49ee73fe2b8fbdda88f9e21e1c386f3dfc5a7dafe8fccabacaf23a550d3f31
  2. 01 R 3bcd9ccd7c5c34c2adff8e2ba52bf8977c3bd448c5895df1496f04d3bd892e44
  3. 02 L aabbc2090235660c0edc052fb0c9f2c32c8c40e79a604adb3bea9db64fa7c161
  4. 03 R cf5107176eb2b834c5290682588bac4bec4ae29ccdfa86884c20f5535bfc0925
  5. 04 R 7cfbcddbfd9b372df8c73261982341bebe5d862fea9e6888ee21f623e90a878d
  6. 05 R 188c7ad595fbee02003bd10d65c30acd91c9f14c9b6371271bb356f94663968e
  7. 06 R 84370f92fdc2587bb61138acdee86c7a92fc8f8298986e072c90e1c1265f16d5
  8. 07 L e9215355d557b26925cdeb9dc451de02a58716066603d012b524bc0ad17bd580
  9. 08 R 0d2d4fd9967d8edbdbfd0d6bb85e4cf75316e0f3b0d363500323bb5e4d4ba360
  10. root  a18e5850f5ddb91b109fd02b6847fd779c8c087cc066352d59fe02c54c11c264