OpenTechnical

OT-2026-000091751

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, single 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-2026-000091751) never changes.

Identity and time

Publication numberOT-2026-000091751 · never reused
Internal UUID01a0ae9d-43b9-71dd-8e6e-620b2a8aa9da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091751
StatusPUBLIC

Content hashes

Canonical text9f2da119d6362ebf7972dcbf92e16c19df0b1ecdb9c315a0e96560c6a4433717
Markdown63c6ad9fdafb5125e91f19b31e5617fe809f29dafb078bbc1cba417766603905
PDF
Publication pagec47edb03fcf3aac849dd19ed072867ef1cc3fbc9519fe38065755308edd0b7de
Manifestf1a7f65b7ff60d868c43c8d5d52bd8974ac8b19664f90d96467d90ff1f38b992

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
SignatureMo+4i3sZ7Su0Z0U1uMinWrHDUXLMMx3CEAVOCAZpbQ5OLRBTSWfVJHiopdOELrwIanV+20dMChPB0rJ9jI27AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:42:38.648585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091751
observed c47edb03fcf3aac849dd19ed072867ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:38.632409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091751/manifest.json
observed f1a7f65b7ff60d868c43c8d5d52bd897...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:38.615385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091751/publication.md
observed 63c6ad9fdafb5125e91f19b31e5617fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:38.599447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091751/publication.txt
observed 9f2da119d6362ebf7972dcbf92e16c19...
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.