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 ₱13.4M contract to ALEXA TRADING AND CONSTRUCTIONNational agencies
Transaction hash:
ec0f08022c84749d468c1248381250d5b981edb79cc9ae5e0ca58a33072426fc
Status:
Included and unchanged
Block:
#4,452 1,561 blocks after it
Position in block:
Transaction 246 of 266
Award day:
May 17, 2021 (5 yrs 5 mo ago)
Value:
₱13,360,731.98
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 #4,452 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 ALEXA TRADING AND CONSTRUCTION on 2021-05-17.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 ec0f08022c…2426fcnow …
- 2. Block Merkle root changedstored 6788a62102…26d633now …
- 3. Block #4452 hash changedstored 748c57c5b1…6021b2now …
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 265 records. Each step hashes the current value together with the sibling shown.
- leaf ec0f08022c84749d468c1248381250d5b981edb79cc9ae5e0ca58a33072426fc
- 01 R eeb242993f0bd29ef7af7df1cf949d85a58a81324a711dd071e46b8aa09634cf
- 02 L 661ee6468ee2a4e332905b803fe1b6ae8b38d804298213117436ac0219c7678e
- 03 L 8bd1b59823829791a3a9ccaf7a89c54cf3cd4dd33fd9b11e9baf6c6ff1c15058
- 04 R af8f813092791d37d01b2cc00983e24effaa57f3884baf346331420a1da1c14f
- 05 L a76c44214d8e13c7796f7a357ebea20666b88ff0770fe8553c3c68100106fcb4
- 06 L 2bf104bba08d3f41973e34d4e21b0efa82a0b7d723f9daff087521e7c0233ddc
- 07 L 8937d14df7881988e5198088f64c84d5344ef6e4e388ccaf3b76c90dd037be9d
- 08 L 9feb4a858368f81e891cdd5cae430ee4bdcf72bcd0a557cf477d9bd42dfdd644
- 09 R 8579e2aa00ebb9c9a5973be79783f1d3d1a93adc2d84429fad1e1ade2bb1e565
- root 6788a6210229cafd31779c64c01f10e73042bfb9054d651170bab6d52c26d633