OpenTechnical

OT-2026-000071508

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000071508) never changes.

Identity and time

Publication numberOT-2026-000071508 · never reused
Internal UUID01a0ae91-e0ee-7e7a-a925-9be93dfc3f77 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071508
StatusPUBLIC

Content hashes

Canonical text6cf6587f8a34f93191aeb5d91c0ce0f15ebb0bf246694af32ca83ecd8d146e08
Markdown76674c77c690bd9934bd70ae4efe2038badafdf63a5a31b5274e28a9c6387b80
PDF
Publication page985e8abc3d6e714656819997835ea5d4ac9c9f2d6b78f19459338e62b9f0d97c
Manifest706d88fd35f3fd87927f4efdeca848cf4ee9d83b5e81eeb2dbb640b8db1297c9

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
SignaturedQs5it7sP/+przYCSZgNxXoQxCQYUyJVZah5JcUhVXbx3p3/KKpPtU8N+MOpjLzZ/xiDcf/rROZ/W04jv/zoBA==
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

2026-09-17T10:25:09.222366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071508
observed 985e8abc3d6e714656819997835ea5d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:09.205496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071508/manifest.json
observed 706d88fd35f3fd87927f4efdeca848cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:09.186796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071508/publication.md
observed 76674c77c690bd9934bd70ae4efe2038...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:09.169995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071508/publication.txt
observed 6cf6587f8a34f93191aeb5d91c0ce0f1...
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.