OpenTechnical

OT-2026-000086849

Publication integrity record

Foam pad vacuum gripper, two zone face, four 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-2026-000086849) never changes.

Identity and time

Publication numberOT-2026-000086849 · never reused
Internal UUID01a0ae9a-80a4-7b9a-8b96-86e3d2a90014 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086849
StatusPUBLIC

Content hashes

Canonical textbc6a1380047319a54b5fd022e809939033435d00af5aea008e94a241d89367d6
Markdown2b8376e2d17ef5c50a548c0c927c0aaff47fafc1e10943a7f7925852f80f73fb
PDF
Publication page441a484fb8c1b11b74ce80133a52299c528b9c9270462159861af748080a2f56
Manifestba6ec817fc9e9ac1ed9880dbe3b89acaf694e7531ff4b188f680c41ecb8ce107

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
SignatureP41JVZcNZYRIevk0Nxc46fLNkzNGA5YZr24/T7QXM5BotJQ7Z57i8XZXurLuXJNWDPnCd6WSyb2rUEVzd2f3CA==
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

2026-09-17T09:51:40.998449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086849
observed 441a484fb8c1b11b74ce80133a52299c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:40.979632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086849/manifest.json
observed ba6ec817fc9e9ac1ed9880dbe3b89aca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:40.962408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086849/publication.md
observed 2b8376e2d17ef5c50a548c0c927c0aaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:40.943411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086849/publication.txt
observed bc6a1380047319a54b5fd022e8099390...
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.