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
APITransaction action
METRO MANILA DEVELOPMENT AUTHORITY Award a ₱4.9M contract to 1HB CONSTRUCTION CORP.National agencies
Transaction hash:
f7be7cbaec36e10a87f02e782ab6615fb9b7dd40341ccd1615a50cc1e0af9f3c
Status:
Included and unchanged
Block:
#4,654 1,359 blocks after it
Position in block:
Transaction 233 of 241
Award day:
Dec 9, 2021 (4 yrs 11 mo ago)
Value:
₱4,937,215.50
Project:
Construction Projects
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
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 #4,654 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)METRO MANILA DEVELOPMENT AUTHORITY awarded it to 1HB CONSTRUCTION CORP. on 2021-12-09.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA 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
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored f7be7cbaec…af9f3cnow …
- 2. Block Merkle root changedstored e46ca9ddd2…60f602now …
- 3. Block #4654 hash changedstored bcfa34005f…8dc805now …
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 240 records. Each step hashes the current value together with the sibling shown.
- leaf f7be7cbaec36e10a87f02e782ab6615fb9b7dd40341ccd1615a50cc1e0af9f3c
- 01 L f5d41aa3e610f95b845a040298dbb3afd8da4800853c3cc166bd96ea9f4a4b4b
- 02 R bbde714c7c462a93fadb029ab14316f4947058e3950b1d50d06bfa065117cc52
- 03 R 6d0f29817f34a5fd338c9de864800eadb5b3e2648b1f0f0b7117cfae66ddcb94
- 04 L 09f837861420acf70a15df4b87175156424812c2d1da7cbea71a80e69dbfeba9
- 05 R 55796c9e4e6f4969f5175de2c04931ff7d6600dc1e0ea07d77c8ced23d0eb2ca
- 06 L 32db813225f4a4050e0b61accec19406a671621753f7835079aa2e723e09a6b3
- 07 L d39e68dc35063144e6d60fc4e718bb60dc502f891e1a48f024e4f4532a3e35e9
- 08 L f5cb9e08fb5091f3daaa1867d6ef55a6025e88e5da33117f717a1c981d46da22
- root e46ca9ddd2063999d4ece0343a8136b10953b861e5d1374ed881042cb660f602