OpenTechnical

OT-2026-000100838

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, 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-2026-000100838) never changes.

Identity and time

Publication numberOT-2026-000100838 · never reused
Internal UUID01a0aea3-66f5-7cab-b82f-911f4e28c836 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100838
StatusPUBLIC

Content hashes

Canonical text9fe7b34ff97db51c3a6e6d42402224b4232dfc7f978ef6891b5a93ab847a7d08
Markdown09480670fda37610f8f88a94ace2ba4c4159e6759928cf5f140e9785cd3803b8
PDF
Publication pagef6d47636fc8e6c8fbe4eb78f8160d6727831c40fec052ec9949de3d1236efca5
Manifest22b58ab5ac4feaf155216b1597bd60c8aad422712975a4ee9968f9f9ed1558a6

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
SignaturezrhP+cM8cZA0asMRJ1E3jsiEJEFgrfz2JFDORZQ2ueVohSzSZrR/81FaNVcN1NYo+EfKcSVcwOSq+T9eKYVQAA==
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

2026-09-17T09:27:45.801279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100838
observed f6d47636fc8e6c8fbe4eb78f8160d672...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:45.780926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100838/manifest.json
observed 22b58ab5ac4feaf155216b1597bd60c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:45.761424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100838/publication.md
observed 09480670fda37610f8f88a94ace2ba4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:45.741527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100838/publication.txt
observed 9fe7b34ff97db51c3a6e6d42402224b4...
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.