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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 ₱4.9M contract to CHRISTIAN LEY CONSTRUCTIONNational agencies

Transaction hash:
fef65b0e61e8f5cb67fa03eeb6e196a6b9e399586fb15f29be9ccbea98e16ac4
Status:
Included and unchanged
Block:
#3,506 2,507 blocks after it
Position in block:
Transaction 238 of 239
Award day:
Aug 16, 2018 (8 yrs 2 mo ago)
Value:
₱4,935,170.21
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 #3,506 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 CHRISTIAN LEY CONSTRUCTION on 2018-08-16.
    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   fef65b0e61…e16ac4now      …
  2. 2. Block Merkle root changed
    stored   90d73b6ece…93bc76now      …
  3. 3. Block #3506 hash changed
    stored   61e113be68…19d745now      …
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 238 records. Each step hashes the current value together with the sibling shown.

  1. leaf  fef65b0e61e8f5cb67fa03eeb6e196a6b9e399586fb15f29be9ccbea98e16ac4
  2. 01 R fef65b0e61e8f5cb67fa03eeb6e196a6b9e399586fb15f29be9ccbea98e16ac4
  3. 02 L f89ab434eba9e1033ee4239a5950044b5c5593292eeb5b126d086b4402d73a57
  4. 03 L cb3132a98b698984996312bf963a5863ead98900dbe04322f41929a6e71aea6b
  5. 04 L 7e971cd6de8bdc91e1a93be71bd726a8183d76c0cd2fd4b80141aa23a78e1ec2
  6. 05 R 8866609503c98071bdb5b592425a55280294a38653b5849ddcd9781ac84a66bd
  7. 06 L b4cfd8804176d96813a7bc2a572426724f1b2d69112f80ba2f9ceb59a9d05298
  8. 07 L 07a4a2e0f287a295be34fd883403aec921d95b2ce969183c89c5a125c8fbb6ad
  9. 08 L 2b56f6f267231cdc26a23e3af1e920ab590d0a8f76f80bc56fdb5580e535fef8
  10. root  90d73b6ece8bf58ad9dca8e2cd7ca3f9e1d10dbf05e10c874503d86a5393bc76