OpenTechnical

OT-2026-000062722

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single 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-2026-000062722) never changes.

Identity and time

Publication numberOT-2026-000062722 · never reused
Internal UUID01a0ae8c-6389-7cfb-8663-682b4e170be5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:11.271900Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062722
StatusPUBLIC

Content hashes

Canonical text392e7e6b2e57084b6202e59a7d68b44163029e2b310d6f18472b38bb0178ca59
Markdownd4c4df3f2386b89066e7710e56c838b10b3a8320452e4e2e215c11c05890f234
PDF
Publication pageecc608ed109a897bafb4493a8a8328f79c595d60caa884b78dcdfff58466ecc7
Manifest1cad405c17d44e9e00c1208776da659fcb6e12d63b7f4b07fb40790c76e3e4c2

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
SignatureTh92V0S66oGLz+qgHQQ2BZg+yl/233MamvVSv6ZT9Qa/KuSAAD7iEUi4lIu/yNambyBLk6b0A7txUmdcAqHlAw==
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

2026-09-17T10:39:17.579945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062722
observed ecc608ed109a897bafb4493a8a8328f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:17.561715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062722/manifest.json
observed 1cad405c17d44e9e00c1208776da659f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:17.542958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062722/publication.md
observed d4c4df3f2386b89066e7710e56c838b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:17.523023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062722/publication.txt
observed 392e7e6b2e57084b6202e59a7d68b441...
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.