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 DAVAO, DAVAO DEL SUR Award a ₱2.0M contract to VIBRANIUM BUILDERS CORPORATIONCities
Transaction hash:
1cd72ca6bee26c521e47a8a055c8c80689296dc2e891b939bac707346879dc03
Status:
Included and unchanged
Block:
#4,289 1,724 blocks after it
Position in block:
Transaction 79 of 617
Award day:
Nov 24, 2020 (5 yrs 11 mo ago)
Value:
₱1,994,966.67
Project:
Infrastructure B21-2020-04
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 #4,289 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 DAVAO, DAVAO DEL SUR awarded it to VIBRANIUM BUILDERS CORPORATION on 2020-11-24.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 Davao 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 1cd72ca6be…79dc03now …
- 2. Block Merkle root changedstored 7c5e21da7c…7c05fanow …
- 3. Block #4289 hash changedstored d7f9ef0bd8…d63964now …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (10 steps)
How this one record is tied to the block's Merkle root, without needing the other 616 records. Each step hashes the current value together with the sibling shown.
- leaf 1cd72ca6bee26c521e47a8a055c8c80689296dc2e891b939bac707346879dc03
- 01 L 1c7e9a1c162b3f8143baa880256b0bd350a85c239c9f733248e8ee32a820343f
- 02 L f14fa8204cea16e4b9af1df8987e3545cb29309bbaa56f50ffb74f0463f09226
- 03 L a57ae5d20c167a36c2ba1e25122e92cabb29138812b65c12847faed41bbb8aa3
- 04 L 36baade2f68749758c6a399ead855bf1138a2b5bfcb2ec4e459562813bdf1e9c
- 05 R 238cbb35a2fd5fced649777f713183b9c89a9778036ec93685ca5fe1040a7941
- 06 R 171386bd6fc26bac10c3675e2405e8576c9f7b36cf768857fc6e79a428ef343e
- 07 L c80b14e02c519dde6d7456858d27cf28963ea9abb5ce58d7d6dc4c94aa13a274
- 08 R 1a5f24016ef911e8c16b2a9504aa9520e84c0664edf1541589c592143a917005
- 09 R bc18f7eef5af2c8f9e7fff43d564d200e2ce67f4e06c6ad55888d4ea14bbf829
- 10 R e6b4963ed7be97282033672deca7ce82cb0bf238929d5b934455937cfd53e440
- root 7c5e21da7c16a717aacef7a819d1dd0b71ed2b833da72ed4975498f9af7c05fa