OpenTechnical

OT-2026-000081983

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump 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-2026-000081983) never changes.

Identity and time

Publication numberOT-2026-000081983 · never reused
Internal UUID01a0ae97-0f77-7b83-bac7-63db95da766e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081983
StatusPUBLIC

Content hashes

Canonical textfc6f9e015911591f970bdcb4d431c67cae4b377aec2ff6ad89929053ac55763d
Markdown01077e65890cdaf34915b966c975daca0bee7b5015914c0bdd742a04be1d62d3
PDF
Publication page0c0446163eb64922ae5451ca4938a84e3b75ba0e3fb2c46bf65b50cbd10802d0
Manifest3fe799e6585b8a9b1d227a3790d3581cce0c07d22827dc2254d82f7f739f1c9e

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
Signaturesubk3wixG4kf0le2D/axRYZ28+xyXAN7+fh345OPC3kH71/mirY2ZmEMAGp+NVo1NM5InUCkSz62yHzkdplKDA==
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

2026-09-17T10:01:07.441472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081983
observed 0c0446163eb64922ae5451ca4938a84e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:07.423918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081983/manifest.json
observed 3fe799e6585b8a9b1d227a3790d3581c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:07.406607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081983/publication.md
observed 01077e65890cdaf34915b966c975daca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:07.390278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081983/publication.txt
observed fc6f9e015911591f970bdcb4d431c67c...
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.