OpenTechnical

OT-2026-000084041

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000084041) never changes.

Identity and time

Publication numberOT-2026-000084041 · never reused
Internal UUID01a0ae98-5b5e-7e5a-a581-ab59737fa188 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084041
StatusPUBLIC

Content hashes

Canonical textb88a2ecb7787f38238e914d8e147efcaeacbb9555f32a63dc4ca6271066323f6
Markdownde04a97918c81ab894ec3ecd2eb9017a29d26c0c9dbfa9b3b56d1fada75e163f
PDF
Publication page7060b6cca43c8f886bdd02a3bcc2fd30c9b002e49d31f8c83a9dce8b396c51fd
Manifest33613e349129457de28f682deeb059f9ac625cb9bb050da0e0949dd77e8fab4b

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
SignatureQgiYsosREeZ+XoN+RpnQsLiqROxheP8Hy2n/uA/xEKbduD8MfeFO+gP6LBT1M6JyD0rHBq5adj0mRnYNkciiBg==
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

2026-09-17T09:55:46.258190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084041
observed 7060b6cca43c8f886bdd02a3bcc2fd30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:46.239408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084041/manifest.json
observed 33613e349129457de28f682deeb059f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:46.222569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084041/publication.md
observed de04a97918c81ab894ec3ecd2eb9017a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:46.206371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084041/publication.txt
observed b88a2ecb7787f38238e914d8e147efca...
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.