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 ₱5.1M contract to JEMCO BUILDERS & SUPPLYNational agencies
Transaction hash:
e4d66ccf5b5f114521088d3f899451f0f522266d99126cdd62fda24bc8b3aff6
Status:
Included and unchanged
Block:
#3,514 2,499 blocks after it
Position in block:
Transaction 214 of 241
Award day:
Aug 24, 2018 (8 yrs 2 mo ago)
Value:
₱5,125,865.52
Project:
construction project
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 #3,514 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 JEMCO BUILDERS & SUPPLY on 2018-08-24.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 e4d66ccf5b…b3aff6now …
- 2. Block Merkle root changedstored c0a8a3a9e1…cb4d9cnow …
- 3. Block #3514 hash changedstored 179c22db43…49bcf3now …
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 e4d66ccf5b5f114521088d3f899451f0f522266d99126cdd62fda24bc8b3aff6
- 01 R e4fef4e45ca6d9edcc0b0d71ec3111e82574578855ec91433f8465acac2113b1
- 02 L 3801f3ea79d253f53cdd1fa521f4528eee66a150965c20ad3e610edfe5a596b2
- 03 L 7bde7ec5fdf10ae784d357752eaf757ad347d0f423e9dca877bc22b17ac33686
- 04 R 358c3b8733fea2da34451b1d0868a14a043c989af5f10db6f51311c60fd743f1
- 05 L 8d7673c8b4f9dd10d53dca9890de1705cd19d6749938b5cfaf8e3256f733c5ce
- 06 R 5d10c886b3353e56d2c82d993ae2cacb9fbee63f2fa80b522d15a39446f00cc5
- 07 L b0ab5d841347e787e266d3c1491ad2db15b4df3c4f20f2fc1c23cecd01fadb1d
- 08 L e8f0dd8b11b4a6788497a693272066112d84d21def39245d22c7be93b90f0064
- root c0a8a3a9e1e5cce42c05b2825cc0fdb9d9906bf929fabfc92d69ec18b9cb4d9c