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 ₱18.6M contract to T. SOLOMON CONSTRUCTION AND DEVELOPMENT CORPORATIONCities
Transaction hash:
3bb79e2e2252dac6dd1466049830108398055108b9e9fd0b1c23083f0d0690e6
Status:
Included and unchanged
Block:
#5,027 986 blocks after it
Position in block:
Transaction 38 of 139
Award day:
Jan 4, 2023 (3 yrs 10 mo ago)
Value:
₱18,588,444.15
Project:
Infra Projects 2022 (3rd Quarter-3rd batch)
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 #5,027 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 T. SOLOMON CONSTRUCTION AND DEVELOPMENT CORPORATION on 2023-01-04.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 3bb79e2e22…0690e6now …
- 2. Block Merkle root changedstored 9f19cf6442…1cc553now …
- 3. Block #5027 hash changedstored 9223e77ce6…a20f4bnow …
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 138 records. Each step hashes the current value together with the sibling shown.
- leaf 3bb79e2e2252dac6dd1466049830108398055108b9e9fd0b1c23083f0d0690e6
- 01 R 3edbbe1f72609a3aa8c54f7f500383fb07c9d3096906eeccc565c00759ca97d5
- 02 L fb6b24f54657276a3d0e4a7e16fbbf15f98ef39465efcf87bddfa18575a94437
- 03 L b41eaefe1f23eefe8ae05791bac84e10737d706b91243d80d6613cfdc144fb4d
- 04 R 3e6578bfabd1b86b008fedcd1e11c8728570d9c90441d0fdd7d882e48c437b70
- 05 R c8964ab1f9ec3516e652268a9e85b817777dc4510f5736770579dd1ba7e2ff70
- 06 L e689199fb318b3d0df08077946a0e69d25b04285512f08714d0872378599c7d5
- 07 R bdef37f4907beb9fc6a4d80e924853d37b2a377495b3526795d56cf69602945f
- 08 R af9f39722abe5e6dfe013e1f463f9f3b49624e5d47a09a6137c8f27f1192bcae
- root 9f19cf64423ca41e371895c88b009910a5cf1d977d0ba58ba2a4ccbaf51cc553