OpenTechnical

OT-2026-000089233

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000089233) never changes.

Identity and time

Publication numberOT-2026-000089233 · never reused
Internal UUID01a0ae9b-db00-7def-a756-23a88ce38163 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089233
StatusPUBLIC

Content hashes

Canonical text201b8bd15975e2e52a6a74691dbaa8653edad4b21744258e5d0c9ff08759fb3f
Markdownfd92ddeb6a728fb37edd909be16add39a6ec6fa7062e6d1e7d800ade40ec37c3
PDF
Publication pageb069014323a717fc10633385d551e11e7a5523c6523238b5a8635cd2196ecdef
Manifestdc42601d92cbcc75a2adaa75305d4f7e5185a9d15222ebb14a207ad4e955007f

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
SignatureiZjpqnefge2sGi8UXrt83KQMldX0NYqiPCRji3gVFH2KuQ1PQodWl5uMI4v3crh/iykaBpCqKcTzcGQAySz9BA==
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

2026-09-17T09:47:15.786978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089233
observed b069014323a717fc10633385d551e11e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:15.769181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089233/manifest.json
observed dc42601d92cbcc75a2adaa75305d4f7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:15.750975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089233/publication.md
observed fd92ddeb6a728fb37edd909be16add39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:15.732429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089233/publication.txt
observed 201b8bd15975e2e52a6a74691dbaa865...
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.