OpenTechnical

OT-2026-000087241

Publication integrity record

Foam pad vacuum gripper, two zone face, six 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-2026-000087241) never changes.

Identity and time

Publication numberOT-2026-000087241 · never reused
Internal UUID01a0ae9a-9f2e-78dd-9715-d57b3b07aa61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087241
StatusPUBLIC

Content hashes

Canonical text64120f01d5479da1bf0c631cf735c2781e575c6fac9a4cc5d4ac80a1ef5d4bf9
Markdownc6e19c0e14462a161a87a065fc57a9e49240819f42202d88d6430b7e866646c3
PDF
Publication pagea73bd4994b81c19796b098320efdd75e54bf38da61bd00b2540592364ca2793c
Manifestf948525ed6394bb6a2348058d638c3f9326249a3063813cf3078e37714168c94

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
SignatureWfRlSWmYWJwZmXLpgnRHUKBD+K0AzJrBBPRNZA0/1omkL2CmfG8DKk5WzzeAGxA7NH48WI6lLzHLFKJIjbMbCg==
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

2026-09-17T09:51:32.674201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087241
observed a73bd4994b81c19796b098320efdd75e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:32.656344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087241/manifest.json
observed f948525ed6394bb6a2348058d638c3f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:32.638789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087241/publication.md
observed c6e19c0e14462a161a87a065fc57a9e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:32.621220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087241/publication.txt
observed 64120f01d5479da1bf0c631cf735c278...
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.