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 ₱2.0M contract to B. VALENCERINA TRADING AND CONSTRUCTIONNational agencies
Transaction hash:
6658847ecdcfcd252e55fa7e460d743296bfd659c07860e5b6d1904d4d52846e
Status:
Included and unchanged
Block:
#1,809 4,204 blocks after it
Position in block:
Transaction 46 of 117
Award day:
Jul 22, 2013 (13 yrs 3 mo ago)
Value:
₱1,983,864.11
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 #1,809 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 B. VALENCERINA TRADING AND CONSTRUCTION on 2013-07-22.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 6658847ecd…52846enow …
- 2. Block Merkle root changedstored 7bcae807c6…7db823now …
- 3. Block #1809 hash changedstored fa57b0184f…2ea539now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (7 steps)
How this one record is tied to the block's Merkle root, without needing the other 116 records. Each step hashes the current value together with the sibling shown.
- leaf 6658847ecdcfcd252e55fa7e460d743296bfd659c07860e5b6d1904d4d52846e
- 01 R 6683eb6dbca55389154dcbcbbb35e15e5e8d7bfa81a122393015568e0c482824
- 02 L fdddb0071e23ef4e86f0de1c91f29ae7bed51b9126868509ebb0aa852079b9c1
- 03 L 3406d2b04d000ac450e3856894a3ceb2cc45b92913e6a4c3aa8ea3aa44469ecc
- 04 L e8f5f97d6c52f81f4edb6b5033d55f0cd080429a4da0b23cc5fab810463f2bef
- 05 R 6931a3e9cd48089a05dd59f593e92a21d0073e2e46c6fdd105682fa87743195c
- 06 L 51d45edf170145c4bc6b699e5e5837a9c638e73d48763608f5a915b604fd1b6a
- 07 R 6e59bcf1377ed48c53b64b531f3a2dff407b8329f721d4321e0865c422187aa7
- root 7bcae807c63561e19e461c1f8451644a690775ea349feeb3c7015391097db823