OpenTechnical

OT-2026-000103832

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, 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-2026-000103832) never changes.

Identity and time

Publication numberOT-2026-000103832 · never reused
Internal UUID01a0aea4-e463-79f1-9f89-4e10942b4ec1 · 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-2026-000103832
StatusPUBLIC

Content hashes

Canonical textdc9c31f02215352904822faeca0ea513a3c92b5970c8ad3261d604abb00a34f7
Markdown7c8db6bba618532dfc6f8deb7e6a437f19ddc33ba73ced1a0e069a2d02c7db76
PDF
Publication pagebe3bdd0a0ce1cf63baeddcbc3e7f9745eddaf6c484e3418393534c8d7396590c
Manifest01643a1c6bf0804ef2b5f64ba03f06021bc4e1feb01f71b35723a1631274e98d

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
SignaturerPl2ALvO/TeF3g+32kAKK25+uzW4F4ZqNKlqMYMFHjMhOlXyCxx96einclIkg6aAOFHzjUQlYcJ5K4OqnHfOBg==
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

2026-09-17T09:22:47.445442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103832
observed be3bdd0a0ce1cf63baeddcbc3e7f9745...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:47.430223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103832/manifest.json
observed 01643a1c6bf0804ef2b5f64ba03f0602...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:47.414315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103832/publication.md
observed 7c8db6bba618532dfc6f8deb7e6a437f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:47.398062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103832/publication.txt
observed dc9c31f02215352904822faeca0ea513...
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.