OpenTechnical

OT-2026-000081283

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, 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-2026-000081283) never changes.

Identity and time

Publication numberOT-2026-000081283 · never reused
Internal UUID01a0ae96-f374-770c-b459-6a91c18bba43 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081283
StatusPUBLIC

Content hashes

Canonical text915cf1001d8703bfd5c645f8a38426f73d381a656cfb95bb6c920f4920269caa
Markdown57b19606db64084bc2ee868109bd465838f6882ad3f6c3c60c6072889b10b1ea
PDF
Publication page32861cd75c98fdec2a79613d611e24a95717f33676cc7007e5dfdfea948d16b4
Manifest6af6838791cfed23b204ff4d90d91364a95373cce6d50c6a615d33965a101185

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
Signaturea+7pxnskoSfBjsE0B0t0OT24Y4RghvF8QJdatnHd73zPHX055/nJgK9LXqyDUt0N3skfgP8N5+uCGHQth+A/AQ==
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

2026-09-17T10:01:23.290350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081283
observed 32861cd75c98fdec2a79613d611e24a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:23.271707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081283/manifest.json
observed 6af6838791cfed23b204ff4d90d91364...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:23.253809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081283/publication.md
observed 57b19606db64084bc2ee868109bd4658...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:23.234931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081283/publication.txt
observed 915cf1001d8703bfd5c645f8a38426f7...
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.