OpenTechnical

OT-2026-000070413

Publication integrity record

Four cup vacuum gripper, four zone face, single 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-2026-000070413) never changes.

Identity and time

Publication numberOT-2026-000070413 · never reused
Internal UUID01a0ae91-545f-765b-bb05-4b30d46e06fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070413
StatusPUBLIC

Content hashes

Canonical text427bc5766eaa1cf8af6f36b4210eb595e8f2810f6038e4df4e0bbc209155a5bf
Markdown5ac0409ae0c8129a1638bc491970337f52a2ba447cb78a0028b8286f84e174f4
PDF
Publication pagee19bf265ae916d30eafad4734a443fd297cb57295c7c2eacabf8f1bd5af6190c
Manifest6c18c4f8fdfeacefbe06b9fe63f45191062ef4b7b7498bea1fa620998ee81f81

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
SignatureRPdt0mgX6uOptEpHHNxvkX7XEtUi8tz4b9+l6ZE0hsaLuRsn6EKlLpFeFm3d+JGi/zNV57eyBSrTr2XEqfMfDw==
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

2026-09-17T10:26:13.415016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070413
observed e19bf265ae916d30eafad4734a443fd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:13.397126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070413/manifest.json
observed 6c18c4f8fdfeacefbe06b9fe63f45191...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:13.379091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070413/publication.md
observed 5ac0409ae0c8129a1638bc491970337f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:13.361156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070413/publication.txt
observed 427bc5766eaa1cf8af6f36b4210eb595...
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.