OpenTechnical

OT-2026-000071408

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single 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-2026-000071408) never changes.

Identity and time

Publication numberOT-2026-000071408 · never reused
Internal UUID01a0ae91-e0ed-766c-8d0e-ee7307a37bd5 · 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-2026-000071408
StatusPUBLIC

Content hashes

Canonical text73ffbf2fd6d2a5df642af61f0b184f7182d6cbac50ab1056f3265cb9502ce9e8
Markdown67cd981df98b5dec25f3618df6c303537b376d54adddca68b93e6959e1a86a68
PDF
Publication page9121d1fabcfa8c1e907964de259ac88e24d35eb838c8b9069a128bd366af9c72
Manifest8b2a674cbbc92857bf7825958715e8109c0d05b65a0e488d4d1280b4d546ebe4

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
SignatureWYxEoHELXaj5cpYnhTCBa438XzxALgZ3v+9I3FgvieHd03V7OCNFKiJldnvrxwkFcQXj1aniJdE82oTBizzCBQ==
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

2026-09-17T10:25:02.227122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071408
observed 9121d1fabcfa8c1e907964de259ac88e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:02.208341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071408/manifest.json
observed 8b2a674cbbc92857bf7825958715e810...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:02.189597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071408/publication.md
observed 67cd981df98b5dec25f3618df6c30353...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:02.172413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071408/publication.txt
observed 73ffbf2fd6d2a5df642af61f0b184f71...
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.