OpenTechnical

OT-2026-000062718

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-2026-000062718) never changes.

Identity and time

Publication numberOT-2026-000062718 · never reused
Internal UUID01a0ae8c-6389-7abc-ba9f-391b83fd3438 · 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-2026-000062718
StatusPUBLIC

Content hashes

Canonical text1c5510e97b171c0f28494b14ff0c5bc05313da386ec4ca88904d73999ef4a7a6
Markdowna67ceb74dc0eed6d871ec8f3fd1c77ab6964c4e4cd41375c90dce1f26812eb01
PDF
Publication page4d8339a1916f74b048d306190600c4123f1231c07026cb8573316f71f6763843
Manifestf7331f01bb688c1aa8b3ef091a0ebfe84703a9e30ce998f7dedcba6ff1915d10

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
Signature0QZ9YA6w2BuBRpxhi2GMqtp7qD3ps9KMo60yWE3ceuUjV3lxxbfmw4qhJ7xmRGucCTLZSeyzrxdHiS6AfZQ2DQ==
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

2026-09-17T10:39:17.280384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062718
observed 4d8339a1916f74b048d306190600c412...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:17.261314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062718/manifest.json
observed f7331f01bb688c1aa8b3ef091a0ebfe8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:17.243080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062718/publication.md
observed a67ceb74dc0eed6d871ec8f3fd1c77ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:17.224393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062718/publication.txt
observed 1c5510e97b171c0f28494b14ff0c5bc0...
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.