OpenTechnical

OT-2026-000079915

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, two 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-2026-000079915) never changes.

Identity and time

Publication numberOT-2026-000079915 · never reused
Internal UUID01a0ae96-4377-7e7d-b0a6-4f3d0730c733 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079915
StatusPUBLIC

Content hashes

Canonical text620b3550b9ab1b38340d06d17ec7b446d9002687fadcc593462229f4c6d8c85d
Markdownea9df9fb46b9161de739041ece04304a2659e775429daf207ced5cbfafa7f8a1
PDF
Publication pageeb227bef61a3edfc7027d26febc24a974bf40cf76af0e027213c4375a50debbc
Manifest47d5105eb48a61a087d75437c4d8c03f01839a1fbae313c86182d0ea0236b5fb

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
Signature82JQjcU/sBo3OXE0AozSbwDpOor2/Iu6uwqdsIpAGrrrbuLjcskjeRS73beaDCfLJ+Hy5CymN/XmOE1WXi/uAw==
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

2026-09-17T10:03:48.978866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079915
observed eb227bef61a3edfc7027d26febc24a97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:48.959797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079915/manifest.json
observed 47d5105eb48a61a087d75437c4d8c03f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:48.922182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079915/publication.md
observed ea9df9fb46b9161de739041ece04304a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:48.886254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079915/publication.txt
observed 620b3550b9ab1b38340d06d17ec7b446...
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.