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 ₱5.4M contract to FOREMAN BUILDERS AND CONSTRUCTION SUPPLY OPCCities
Transaction hash:
cdd0ef97eb5104339a7dceed45d6a33eab1dd83a37b6b8cf481f4b8960bfebb6
Status:
Included and unchanged
Block:
#5,852 161 blocks after it
Position in block:
Transaction 651 of 813
Award day:
May 16, 2025 (1 yr 5 mo ago)
Value:
₱5,389,206.55
Project:
Infrastructure B04-2025-08
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 #5,852 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 FOREMAN BUILDERS AND CONSTRUCTION SUPPLY OPC on 2025-05-16.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 cdd0ef97eb…bfebb6now …
- 2. Block Merkle root changedstored 74afd9f55e…db365fnow …
- 3. Block #5852 hash changedstored 8f6dedb2d4…9889f4now …
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 812 records. Each step hashes the current value together with the sibling shown.
- leaf cdd0ef97eb5104339a7dceed45d6a33eab1dd83a37b6b8cf481f4b8960bfebb6
- 01 L cdbe5076d090920aa6ae2a3bde7ad35f467afc57f128c860840df6da4fda885c
- 02 L 3aa1f39a321f1114733f687f674203855053c5197ffd6e0a4586b4ca47dc4f77
- 03 R 4f2ade421a98d808e2a4c2a953a8b320f2ce5cbbc03c9fda49dd11861b8a6646
- 04 L 9afe614e6f95ffbf3d08625360e92c8b62a35f5778b9fe4b936672a6d216ded6
- 05 R 3973f1125553b2c3eda9c774838c32a182e2692d80d247ff61e580cb32359518
- 06 R 451180a3a85bb4a2849cd5f9d798b004254f742f0957a715361935d1ff600380
- 07 R b5ecc9517372ceaea2b38fc4edac9cebc4104cee58857c80906906e39444f544
- 08 L 4e9ace6056187eb8b00a6d53d371ac986b0790ada349602ba061fa9d7bcc7b86
- 09 R 444809b4c0adc97c6b87552d65395b90b39f8132d64044c21e1c751824bf297c
- 10 L 3d3e6381ae26cd440bc57ca73f2320c77222f4e672f408bdc7cf0a861febe4df
- root 74afd9f55e6b406bda7fdd4862162a45b6f181e58e420f64618663ab1edb365f