OpenTechnical

OT-2026-000080841

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, 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-2026-000080841) never changes.

Identity and time

Publication numberOT-2026-000080841 · never reused
Internal UUID01a0ae96-b974-73f4-9370-a166e8b6deee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080841
StatusPUBLIC

Content hashes

Canonical text8fdc33ed101847a8a3429a42c2eab665bdbc1c0fc221ad76a3bda129fe2565f4
Markdowndc536afa05771a9067f11816db6d2e77c46f8b9f2fdd730f10c4575e02526e70
PDF
Publication page328748768a4978d94ec189e67713ddbfdab6c06ad3f4e68a8ac1c7b5df0985d4
Manifest5d85a25ce42d7eeb6b884135da7d440afab50cb5f6054e08c8df1f6980473607

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
SignatureKwl+jfzF9ZUrBC9yovKqP/2jAHM4txLbx3jQdrcfbhbx2kZHnkCWNe5ucBuZoK+MXJvAWWDbxeZvQG53NsvnBA==
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

2026-09-17T10:02:01.804712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080841
observed 328748768a4978d94ec189e67713ddbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:01.785883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080841/manifest.json
observed 5d85a25ce42d7eeb6b884135da7d440a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:01.767582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080841/publication.md
observed dc536afa05771a9067f11816db6d2e77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:01.750262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080841/publication.txt
observed 8fdc33ed101847a8a3429a42c2eab665...
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.