OpenTechnical

OT-2026-000005178

Publication integrity record

Vacuum cup gripper, three zone face, common isolation valve, ejector fed, pressure verified, rubber cups

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000005178) never changes.

Identity and time

Publication numberOT-2026-000005178 · never reused
Internal UUID01a0a930-63a5-7a1e-ae30-179fe6e35ec4 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:48:35.880373Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005178
StatusPUBLIC

Content hashes

Canonical textc00ca5f4876bdb55766c1a7b875b9c35eecbb3a52b745debc9e808155129a7ea
Markdown459a7de287d9804052a1f43a0aac4edc453f38d92ea558f9e2f8bfbd2b0b5894
PDF
Publication page32703b8661779b8c5588af396c563031c517c21cb1a285b97b14b629479098a6
Manifest4bc745b81e1a55358f83adfe70d28dda1ae9e0259fa875a56c6cd77f5195109d

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureIw+s6ZYOBgcuO8BaDKx/yFPY5wirEoTWX5hMyH3Z2YVKejN8LMCPgnAr18liaflbxz+mTFtnzjuUFa3Npd9TAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T07:50:06.877707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005178
observed 32703b8661779b8c5588af396c563031...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:06.740451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005178/manifest.json
observed 4bc745b81e1a55358f83adfe70d28dda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:06.727141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005178/publication.md
observed 459a7de287d9804052a1f43a0aac4edc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:06.714114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005178/publication.txt
observed c00ca5f4876bdb55766c1a7b875b9c35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.