OpenTechnical

OT-2026-000071224

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000071224) never changes.

Identity and time

Publication numberOT-2026-000071224 · never reused
Internal UUID01a0ae91-e0ec-7f4c-ae4c-a7dcb77a8e5a · 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-2026-000071224
StatusPUBLIC

Content hashes

Canonical text0d5061af60d960a4cce24ed2e272c72b84c89db0faec5e6ad433d8981298704f
Markdownbe64c2bfb915c2ec20a18f89f0923332795895fc5425fe282a865d2f61c4deed
PDF
Publication page93c887aecf30997d1fcb379c90922153185d028e530de23f6b2051fffa48881c
Manifest93f30f9690937bb9d5268afb030281468cb9c81544c9b2e11a20ce39df3fc9f5

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
SignatureBkwBOaLt/GpH6TF+BYRVF8x/yC97PSk8sqMVz1ZFQDBO7yO9zYI5iNvwpaZ/HcplyFE13OvIY2NMaK6N60BDDw==
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

2026-09-17T10:24:45.883848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071224
observed 93c887aecf30997d1fcb379c90922153...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:45.866237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071224/manifest.json
observed 93f30f9690937bb9d5268afb03028146...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:45.847695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071224/publication.md
observed be64c2bfb915c2ec20a18f89f0923332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:45.829979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071224/publication.txt
observed 0d5061af60d960a4cce24ed2e272c72b...
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.