OpenTechnical

OT-2026-000103675

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, pulsed blow-off 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-2026-000103675) never changes.

Identity and time

Publication numberOT-2026-000103675 · never reused
Internal UUID01a0aea4-e462-7fda-a0ab-8f88cc8bdfc9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103675
StatusPUBLIC

Content hashes

Canonical texte4dacefd83975e942ec7d03b1f706643974428309e86d4d015ce3b8c3f43b3f6
Markdownfe4f91670a9eff95bae4c0111d05d6bb7420abd5345b58e2252f3cc91142a845
PDF
Publication page59a0a19b342036630bd3163a1605e74588ca7e7ce00e9e68d2aae9a2dd05de75
Manifestb0b84c37702900a798f76917f1681d4e1e1594ea1ea0676a5c7fcf53248be3bf

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
Signature3q0hztLMnZOSyor/8n/Hr+j2wXw8CRY95YpH4rQc0cEYyXm3vRQNfpxuBwIl0cGW8wXdyUdXkFa0u9e3TG9OBA==
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

2026-09-17T09:22:28.638593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103675
observed 59a0a19b342036630bd3163a1605e745...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:28.621863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103675/manifest.json
observed b0b84c37702900a798f76917f1681d4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:28.604652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103675/publication.md
observed fe4f91670a9eff95bae4c0111d05d6bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:28.588441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103675/publication.txt
observed e4dacefd83975e942ec7d03b1f706643...
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.