OpenTechnical

OT-2026-000078656

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000078656) never changes.

Identity and time

Publication numberOT-2026-000078656 · never reused
Internal UUID01a0ae95-7c2a-70d7-a7ce-999dd1a0b519 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078656
StatusPUBLIC

Content hashes

Canonical text059376fddc89a5b8b0cf3a01e79bc5870c50775eb825e78185d727e6ef912728
Markdownd9f80948ea77491c0a53a87ca34dece46fd8736c9b80bbef54d41f01c8209806
PDF
Publication pagef43a3177948f806e571babab8ddf549b09a0d6ccf705505404ba7933d0499b89
Manifest6e96609a2891d40a2a69c4ad6276022e5b4d496b7752fd7ce67c2048eaae1e4e

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
Signature5/4AtPyk/85WCJ8fSg/n4k3BZqq/MRkd2DmzEVsEG/h30FuvzEIQSYVrqK1jqBgnMvkd+UIMp145KG0Ei9FlAw==
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

2026-09-17T10:06:40.663286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078656
observed f43a3177948f806e571babab8ddf549b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:40.645525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078656/manifest.json
observed 6e96609a2891d40a2a69c4ad6276022e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:40.629001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078656/publication.md
observed d9f80948ea77491c0a53a87ca34dece4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:40.611877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078656/publication.txt
observed 059376fddc89a5b8b0cf3a01e79bc587...
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.