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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

METRO MANILA DEVELOPMENT AUTHORITY Award a ₱7.9M contract to R.M. NUÑEZ CONSTRUCTION CORPORATIONNational agencies

Transaction hash:
8935cbf00ba9e7f5fcd079a2b7e84fca45ff0c2273f75e43d6d60fa3a0ad0e58
Status:
Included and unchanged
Block:
#4,723 1,290 blocks after it
Position in block:
Transaction 259 of 500
Award day:
Feb 18, 2022 (4 yrs 8 mo ago)
Value:
₱7,907,107.35
Project:
Construction Projects

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 #4,723 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)
    METRO MANILA DEVELOPMENT AUTHORITY awarded it to R.M. NUÑEZ CONSTRUCTION CORPORATION on 2022-02-18.
    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   8935cbf00b…ad0e58now      …
  2. 2. Block Merkle root changed
    stored   caafc3a8a8…90c63fnow      …
  3. 3. Block #4723 hash changed
    stored   661e4dcdad…4303f7now      …
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 499 records. Each step hashes the current value together with the sibling shown.

  1. leaf  8935cbf00ba9e7f5fcd079a2b7e84fca45ff0c2273f75e43d6d60fa3a0ad0e58
  2. 01 L 88d78d305d25731aa9a6b324e21469b1027467a3c6f933f557ff3c6e835d63be
  3. 02 L 853f2341b8041a6aa50adf14702b30f127a48427b756ddc823d6979da941f698
  4. 03 R 4629b00b0486c5c8ede9286d61d97b9f942883d616ca444039c34773df8bf890
  5. 04 R 2f7ec2fe0f780f51d44b7e0f97f83820a28cec17d2f0bbb785611ead26e8b1a2
  6. 05 R b630ce9cfbd825977dbcc9dd54cc42a207ff3c877a851d49ecfbfdef84bf9422
  7. 06 R 8b01006a02cac1b72e589f02bc1b79d35231fbfad7bedaea90b37b9330bf9807
  8. 07 R e910aaee9420a02dcbc04ab0fdf4feee06d052b2513d73c4d3db47abf6817cd0
  9. 08 R d8a4c350218c51326aee0cb49fca0931f80d5dcd437242d05e29af79fea8fe93
  10. 09 L 1c303421902bd57bbb19abe72aed069a8eb76e1d338d3fe962579c249cc9112c
  11. root  caafc3a8a8428f5546822433578ee6dfa4fb0c763708cd2b56f8feb9b190c63f