OpenTechnical

OT-2026-000100187

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, two stage ejector, pressure sensor per zone, 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-2026-000100187) never changes.

Identity and time

Publication numberOT-2026-000100187 · never reused
Internal UUID01a0aea3-3052-71e3-8d96-fe9dcb72821c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100187
StatusPUBLIC

Content hashes

Canonical texte11a495eb249156d638728ddd24a2293f40b7be5c27425fbcfc84f8344f7c10f
Markdown1e8b123d5efdb24f847a1483b5336df3db05fe8dcad9897a35f85cf12378554b
PDF
Publication pagefa45e20415c5764f9e0f4ef60dad69dd5703070a7a32751b0d9f245328ee0b64
Manifestecc7a71b3b02992bdaecbd16cd2538c4a239f5fe53a70f0a56536e7214c420f5

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
Signature49REe9Mc3D3cZeKiLK5m+JxbFY7v0P78sASDlR8Obk98gGQ8OoZdrtIZjv/EZpn53N0LfKfXP7JzaT/NIoVJAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:54.260133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100187
observed fa45e20415c5764f9e0f4ef60dad69dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:54.240153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100187/manifest.json
observed ecc7a71b3b02992bdaecbd16cd2538c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:54.221486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100187/publication.md
observed 1e8b123d5efdb24f847a1483b5336df3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:54.199851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100187/publication.txt
observed e11a495eb249156d638728ddd24a2293...
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.