OpenTechnical

OT-2026-000090994

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, sustained 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-2026-000090994) never changes.

Identity and time

Publication numberOT-2026-000090994 · never reused
Internal UUID01a0ae9c-c011-7897-bec0-d0df59d14dee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090994
StatusPUBLIC

Content hashes

Canonical text4b45808e08a302fc1dfecf66f2d176b62a40a259ec51222e6cc542cbcfec0917
Markdownfe737029c572c2a17075a454af892791430d47732631ea5e3a598e40a5b381fe
PDF
Publication page1049606a6e51f1e50da6b86be8d88162ad2f6672e06b20e3bf2dd6c84c3fddf9
Manifest5ddc0411c52f8f8247cff23ad74ac73cdff2a13edaea0ab9197512fa86fb7b92

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
Signature7QW53bHXtsOHje6KbsFQDaBRLSdl//qiObRcvH/liXsjVjXcstwN2oO1+eVOzrkvnNNXP8jpkttGzp98iVOTDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:44:13.522815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090994
observed 1049606a6e51f1e50da6b86be8d88162...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:13.506850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090994/manifest.json
observed 5ddc0411c52f8f8247cff23ad74ac73c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:13.489975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090994/publication.md
observed fe737029c572c2a17075a454af892791...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:13.472382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090994/publication.txt
observed 4b45808e08a302fc1dfecf66f2d176b6...
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.