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 ₱9.9M contract to J.S. LIM CONSTRUCTION & TRADINGNational agencies
Transaction hash:
a9b2a3bcb0ff88594bd08ec25b0e73938a7dce580832f7fdccc0d3594ab0733a
Status:
Included and unchanged
Block:
#3,917 2,096 blocks after it
Position in block:
Transaction 160 of 252
Award day:
Oct 25, 2019 (7 yrs ago)
Value:
₱9,889,618.43
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 #3,917 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 J.S. LIM CONSTRUCTION & TRADING on 2019-10-25.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 a9b2a3bcb0…b0733anow …
- 2. Block Merkle root changedstored 7506b30391…bae3a8now …
- 3. Block #3917 hash changedstored ada404f23c…e7d94bnow …
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 251 records. Each step hashes the current value together with the sibling shown.
- leaf a9b2a3bcb0ff88594bd08ec25b0e73938a7dce580832f7fdccc0d3594ab0733a
- 01 R a9fd746332bd79c19e0bf5fc0045121fcee4360b4a6e6d8809fb59a70562f8a5
- 02 R 55c31b89ceaa06aff70ec55cd33716786107e88816745176387c5998f187df48
- 03 R cce971b884860dd886a14dbd7d77cfdf16b24a77785afa652b0ecd89d94c4b75
- 04 R 33584014b131944f73dcd4ea5eeed6886c4905c553a86de3bb3b408462415e67
- 05 R 4df001a6f0c2703a5f5211993bac5464cb58f5dead4a07097dfbe5fa60632bf1
- 06 L 8134ad1075dcd855f73dc25bced9c183daa2148e32078aba18b6be8bf71c9b78
- 07 R 9731a49daad4c07c76a9128974545f771b4e2ebcbe0b2f38ee585c4dd78453e1
- 08 L c6f5e0ac8df2518d78f8ead215b95322792900e58e3b0527f3e1f1f66700f4de
- root 7506b30391b3984f0ecddf256881d96f2f044bf61e8f9ca56cc67cb792bae3a8