OpenTechnical

OT-2026-000103842

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, three stage ejector, pulsed blow-off 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-2026-000103842) never changes.

Identity and time

Publication numberOT-2026-000103842 · never reused
Internal UUID01a0aea4-e463-77a7-802f-534bf9e2729f · 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-2026-000103842
StatusPUBLIC

Content hashes

Canonical texted822f1f598586a5f6f60ad085d74292589fc74d02705f54edbdc84e27bc3c17
Markdown792ad9c8c024b347d16b94634b17c8ed55dc0438ad17b19c3ce91ebe6b26122b
PDF
Publication page806345ae8a07dd051037096a24b5f2a11591c3be6e40d7d5b1562924981e07f9
Manifest29f32b99e4077e84630ec8ce8428b6595ee42732fd16fa18ba9c2bf03fce812d

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
SignatureYRJuKePuVr3cFTM9r8yJPz1+XGM8XXpIwDpK9imtCnfIuX07hhxoHr7YQkqZH1sd9CjzWhZ3S8k0QmGqOyBlBA==
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

2026-09-17T09:22:48.122390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103842
observed 806345ae8a07dd051037096a24b5f2a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:48.106165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103842/manifest.json
observed 29f32b99e4077e84630ec8ce8428b659...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:48.090000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103842/publication.md
observed 792ad9c8c024b347d16b94634b17c8ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:48.073488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103842/publication.txt
observed ed822f1f598586a5f6f60ad085d74292...
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.