OpenTechnical

OT-2026-000033799

Publication integrity record

Foam pad vacuum gripper, two zone face, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000033799) never changes.

Identity and time

Publication numberOT-2026-000033799 · never reused
Internal UUID01a0ae75-a391-77ce-91bd-72fd77aa2093 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033799
StatusPUBLIC

Content hashes

Canonical text63bf14f3fa9d62f42a305a0576bc603d537d31fdd0685e1dc4a7df3eb4a73403
Markdown32a1ded3ae70b998267c61e60f6ef7eeea3e2e28ffac8615ab6e4bf314579dfb
PDF
Publication page921915a40088dcccb3e2f7bfb721ba958ea674411317f0454ed46f1236f91a07
Manifest4e7dea7444bd4fb99a0a0a3c9cbc3bf0e2c546670bcf3ad1f46303ad0236896d

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
SignatureIZmQOviTI1/z/BTIJ5qN0qAI0HbIAn58mENX3HLw1j6GmX83xL8YVI8CqDLy/Q0B5LI1TOojkGwEhMH3htmvBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:31:50.528699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033799
observed 921915a40088dcccb3e2f7bfb721ba95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:50.511268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033799/manifest.json
observed 4e7dea7444bd4fb99a0a0a3c9cbc3bf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:50.491626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033799/publication.md
observed 32a1ded3ae70b998267c61e60f6ef7ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:50.472345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033799/publication.txt
observed 63bf14f3fa9d62f42a305a0576bc603d...
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.