OpenTechnical

OT-2026-000081327

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, sustained blow-off 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-2026-000081327) never changes.

Identity and time

Publication numberOT-2026-000081327 · never reused
Internal UUID01a0ae96-f374-7c5b-96fe-1856948a750a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081327
StatusPUBLIC

Content hashes

Canonical textd0e07140974d45ea89a41bcdba885e80d7d111f8b44ad7a3f212a4e44ac0b898
Markdownce5ecbc9a4f0f3392a6ac3bc89b58d5333332bc63afe16ce12da5d93ef30bb77
PDF
Publication page93ed2cc31f9eb3bc4fd067755ec541e9c0eb2adf29fe4c2cf40195ad9ef7d1d0
Manifest4873e9dd464fa2ce81df44d9338ecf6e4b79d1b6a05d3acf99ec0f559bda1d71

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
Signatureii4iHE1aMUfGdIYXcJcvcgElmmsUuRO7mxGEQXlI2+VWl4B7Yb3Y0MEoii8ZaRCtWHvgKv6pijpjPTdyOeZ0Dw==
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

2026-09-17T10:01:26.825268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081327
observed 93ed2cc31f9eb3bc4fd067755ec541e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:26.803121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081327/manifest.json
observed 4873e9dd464fa2ce81df44d9338ecf6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:26.784741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081327/publication.md
observed ce5ecbc9a4f0f3392a6ac3bc89b58d53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:26.766284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081327/publication.txt
observed d0e07140974d45ea89a41bcdba885e80...
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.