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 TANAUAN, BATANGAS Award a ₱3.0M contract to NP PEREZ BUILDERCities
Transaction hash:
eb1c01e2b2d0760fecf49de240dddcb33381942cea8f94dbac5ce0c298e59cf1
Status:
Included and unchanged
Block:
#5,524 489 blocks after it
Position in block:
Transaction 265 of 286
Award day:
Jun 5, 2024 (2 yrs 5 mo ago)
Value:
₱2,998,000.00
Project:
Infra Projects 2024 (2nd Quarter)
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 #5,524 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 TANAUAN, BATANGAS awarded it to NP PEREZ BUILDER on 2024-06-05.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 City of Tanauan gave a "qualified" 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 eb1c01e2b2…e59cf1now …
- 2. Block Merkle root changedstored 375306b6ef…a92b4cnow …
- 3. Block #5524 hash changedstored 2f0d0e6e05…ba1a92now …
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 285 records. Each step hashes the current value together with the sibling shown.
- leaf eb1c01e2b2d0760fecf49de240dddcb33381942cea8f94dbac5ce0c298e59cf1
- 01 L eac27ab42b79080e0d5373d6bda8450f6bf6cb9d1f6adda5143b5c649a311e32
- 02 R 6e8e73b500dc343300d5f2f45debbd1f23c9d8e27c3946857c9498175f67b990
- 03 R 315605d17e4505e7fc1d63a1110047ec3772a3de826b042f7d2cf8f61f998199
- 04 L b779623478a95aef1b21bf1ccdfa1b61a9693fb85b09a349abafe9b7a1aa75f0
- 05 R 9a66e159e5f23c3747dad04c01a2f693c182d3f46bd5a41b7cd3d9bfce3b3114
- 06 R 5f9c24f490d030f7606d9ac27984bedd54d45d290b6c075990c5c388ec39ca30
- 07 R c7ffd9a0a9ba3a7ce0f7b2f424b2dfc3895289afd06871d0cef3d8af0f0a9cff
- 08 R f1c896c7760c1caaccd10171775922fb2314ed62594dcc7104016c8eab5dade7
- 09 L 193aab6fde881c908f808583546e24ce071e581fa12aea4cdf947921224b39e3
- root 375306b6ef90b03d21fcc359ad8acc0a06a20acee06f7b2b0d34fdf2c7a92b4c