OpenTechnical

OT-2026-000063977

Publication integrity record

Single cup vacuum gripper, two stage ejector, supply line pressure sensor, vented after 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-2026-000063977) never changes.

Identity and time

Publication numberOT-2026-000063977 · never reused
Internal UUID01a0ae8d-53bc-7008-b372-73f04a4b6601 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063977
StatusPUBLIC

Content hashes

Canonical textbb13b99737e0b7a3b88501843714668d39030964a6afe5ccd2735096e7ffa3a8
Markdowna64166e7ef409d663bc5affeee3902b3dc3b6246649fae95cb0907765cbfa0e8
PDF
Publication page21e53766828b238f0b4f3c9d33c1da0f861257664daeb307ad6ca4b977685520
Manifest7a5b2dc245f9ad0617643ebd26afe0d29bf6d13210f46116ffc85a500ec537c9

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
SignatureUEcLUBOE9sZgxhPCJQ3jtf6cCBFzsN4r3f9lZu1NJvOgkNwP9IpQnXZedeUi/CAdxORUWGryZJbn0uiEZC2xBw==
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

2026-09-17T10:37:02.746104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063977
observed 21e53766828b238f0b4f3c9d33c1da0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:02.726715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063977/manifest.json
observed 7a5b2dc245f9ad0617643ebd26afe0d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:02.708080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063977/publication.md
observed a64166e7ef409d663bc5affeee3902b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:02.691259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063977/publication.txt
observed bb13b99737e0b7a3b88501843714668d...
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.