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
CITY OF BATANGAS, BATANGAS Award a ₱2.7M contract to PPG CONSTRUCTION CORP.Cities
Transaction hash:
fca0e2aa82bb9084e1d12f831f3ef50d8762d17b8a4e20a081541bb61b112248
Status:
Included and unchanged
Block:
#5,014 999 blocks after it
Position in block:
Transaction 407 of 414
Award day:
Dec 22, 2022 (3 yrs 10 mo ago)
Value:
₱2,718,800.00
Project:
2022-097
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 #5,014 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)CITY OF BATANGAS, BATANGAS awarded it to PPG CONSTRUCTION CORP. on 2022-12-22.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)COA's CY2024 audit of Batangas City gave a "unmodified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 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 fca0e2aa82…112248now …
- 2. Block Merkle root changedstored a1876eed4f…5c4ae0now …
- 3. Block #5014 hash changedstored 663c9778f1…ef2bb2now …
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 413 records. Each step hashes the current value together with the sibling shown.
- leaf fca0e2aa82bb9084e1d12f831f3ef50d8762d17b8a4e20a081541bb61b112248
- 01 L fc30de2fc9aa8e235cd67fce36cf59e5689bafe57090a7bb0aa79fa5de57b1e8
- 02 L 858636944632b953235605a3c2d39470edcb14603fcb0a737b7d812e0ea31c7a
- 03 L e5805ada8d6f9bbc9d675fc0e9027e16af8dd08935d0c7ff5895badd3bb9fab6
- 04 R 9ee79b8e50b72236da73392e21d6b1b51f7ff29a5eaf053e764d9759bc44957f
- 05 L fe01bad9ea254fd39e57320d162f3808c97e2847df7c255c0cc0cb3924262f93
- 06 R b7e504702e312312f1185ad65453c1e8bff73a69231d93a9a7fc0704d427f9e5
- 07 R 91c6764d514d8b2690e71b7395f99771157b264ec01405ff433ff81d39fbc09c
- 08 L c72ff1a2d0492c8b252c299e836729c193017a339687e9fbbac24cc1bc446837
- 09 L 36bfd617ffce51e4bc16b664db590b661508cabbce53293c9586281f6851fce4
- root a1876eed4f69c76bb3dee36fd8fd32c1055cd98100e2b4aa7bfa2132b55c4ae0