OpenTechnical

OT-2026-000068882

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000068882) never changes.

Identity and time

Publication numberOT-2026-000068882 · never reused
Internal UUID01a0ae90-6dcc-766e-b369-16c4def02cbc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068882
StatusPUBLIC

Content hashes

Canonical text73c74a01b7f26db084ec9bd3ee59db380e1e6d0b32cb4c2984e5934119f17b9a
Markdown11337e260f74fda7b48f6803d90d69e55f4751e718c24619f8566f8c80074f43
PDF
Publication page67a40847cbb649bf4c9b6f8ce0877ff8d3e47f28031bcec24dabea002cdf18ef
Manifest6474195ea943e1034f611a85ce58fa6712c67870991a57ab010e553195181bec

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
Signature0dv1MzK686OFq5HicH8mKU4sUnPtp4xA0Hs3pvnrFzLMGqgaBnjJCKuiqaWQJBLZe34oKPaOp84Hfq7DxclRBg==
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

2026-09-17T10:28:41.935221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068882
observed 67a40847cbb649bf4c9b6f8ce0877ff8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:41.917675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068882/manifest.json
observed 6474195ea943e1034f611a85ce58fa67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:41.899857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068882/publication.md
observed 11337e260f74fda7b48f6803d90d69e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:41.881574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068882/publication.txt
observed 73c74a01b7f26db084ec9bd3ee59db38...
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.