OpenTechnical

OT-2026-000077320

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, vented after set-down

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-2026-000077320) never changes.

Identity and time

Publication numberOT-2026-000077320 · never reused
Internal UUID01a0ae94-f509-7064-a56b-1895e64cbefc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077320
StatusPUBLIC

Content hashes

Canonical textd4fd355015934f06838d1d5f525de71ef39ea6800453ffd8381d160108308af8
Markdown3eda92d348b4b8247cca3419571f336bb2137d79e7c925a015f9cec47752a1af
PDF
Publication page12fb21a10cd384999786e852ac05fb2067e905820607b14e8210c99add6e7b9f
Manifest87b698bf5fad4e09067176d8b1bbe509b9e3fba1eef80bbf9e032f4ae545480a

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
SignatureL8zLkPCahLwQtlOMdRMw4H6V7rJ04ckQEs8YJ3wvcXo9+AAgGnMqPXaZmsXzBCsxgj5nNKswAoX2jRZdebt5CA==
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

2026-09-17T10:11:00.495313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077320
observed 12fb21a10cd384999786e852ac05fb20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:00.475984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077320/manifest.json
observed 87b698bf5fad4e09067176d8b1bbe509...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:00.453325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077320/publication.md
observed 3eda92d348b4b8247cca3419571f336b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:00.264215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077320/publication.txt
observed d4fd355015934f06838d1d5f525de71e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:25.771657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077320
observed 12fb21a10cd384999786e852ac05fb20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:25.753885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077320/manifest.json
observed 87b698bf5fad4e09067176d8b1bbe509...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:25.734634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077320/publication.md
observed 3eda92d348b4b8247cca3419571f336b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:25.716531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077320/publication.txt
observed d4fd355015934f06838d1d5f525de71e...
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.