OpenTechnical

OT-2026-000080437

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, 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-2026-000080437) never changes.

Identity and time

Publication numberOT-2026-000080437 · never reused
Internal UUID01a0ae96-7e78-7159-b255-e885a7ffffc0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080437
StatusPUBLIC

Content hashes

Canonical text39356609cfd5b1a34c7d497bc75b6d73eae0d3d358374a6e3dd3b5c473b3c4ca
Markdowncf62f1376e7eacd9330ab87745456de6ba291e2dfb9f3e3809d3834ced1a744c
PDF
Publication page65aabbe5d30b0d33a25db2f446f277ca0afd4fb852772535ffa7379be1360994
Manifest725f15526f101ff8db151cfc1b8f845e89622ee1cc7341b4aee6229a08a5570b

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
SignatureWuhzDLgOUKcid1BqWwlHJ4Z3XWetwOYLztabZ2j2hO70DqeY0PztPpPA8Oh1WuZr25oeAAr15tGU1DAjYbwFBw==
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

2026-09-17T10:02:56.982395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080437
observed 65aabbe5d30b0d33a25db2f446f277ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:56.964047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080437/manifest.json
observed 725f15526f101ff8db151cfc1b8f845e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:56.944016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080437/publication.md
observed cf62f1376e7eacd9330ab87745456de6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:56.923376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080437/publication.txt
observed 39356609cfd5b1a34c7d497bc75b6d73...
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.