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
BUREAU OF CORRECTIONS - MUNTINLUPA CITY METRO MANILA Award a ₱1.5M contract to PPG CONSTRUCTION CORP.National agencies
Transaction hash:
08f044c2f8591fb6c82392fb68743397132165e580f74e155acc2ac1adec3f7c
Status:
Included and unchanged
Block:
#4,617 1,396 blocks after it
Position in block:
Transaction 6 of 242
Award day:
Nov 2, 2021 (5 yrs ago)
Value:
₱1,495,000.00
Project:
Construction Projects-REPAIR/REHAB VAR
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 #4,617 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)BUREAU OF CORRECTIONS - MUNTINLUPA CITY METRO MANILA awarded it to PPG CONSTRUCTION CORP. on 2021-11-02.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 08f044c2f8…ec3f7cnow …
- 2. Block Merkle root changedstored 56b66e35be…0ec664now …
- 3. Block #4617 hash changedstored 1ee2345a20…06253cnow …
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 241 records. Each step hashes the current value together with the sibling shown.
- leaf 08f044c2f8591fb6c82392fb68743397132165e580f74e155acc2ac1adec3f7c
- 01 R 098a1dff5017f1cd5d17e6b374430f0a1fd723767b42c364e4fd025cff80e048
- 02 L f5dd108b252d5d008166260ce02bb984b49332b526e181440d7a26a5d943875a
- 03 L 7241e518d4c06949d420d045e334ec395fbfc835b6b972c191b971fc33ad5ccd
- 04 R 3fbd24e24e4275e5a478e8665ae05370cb9215ad3cebbdcee3aa1e248a22f2cc
- 05 R a0d0d8a74b599cd3213d6d333f886fc087f092f705177f2da58622226c0a7d61
- 06 R f69e00bc1f128a381cbc6be5490d5bce6021d0a09cb97915066df2b977d2d8d9
- 07 R d148aca9694ff26bff4c6fa393bc84b10504d94b00db52a7fc66a62892240dc0
- 08 R 8d2c05ba758db7a6077019fd40f81bd3b323c1dc8ff41b5f8480cd3105fc41c5
- root 56b66e35be64b6df7008b2388c8f770d1bf9ef8f5f7aaa16a0db1202110ec664