OpenTechnical

OT-2026-000098712

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, manifold 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-2026-000098712) never changes.

Identity and time

Publication numberOT-2026-000098712 · never reused
Internal UUID01a0aea2-42ae-7560-9fa1-8527ea8e4ed0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098712
StatusPUBLIC

Content hashes

Canonical text91aedbd8d9b51d71b511d0f893e6e367f1a46b872da1d872914a59f7355e6d36
Markdownfc27c2591c4709aab91e3d158c0b2b0ba25beba247de41bfe5861c87d08e1fba
PDF
Publication page3e8f2bbf449bd66510d46e015662fa9f2031c357bc7143ea3729b4e8f17269ce
Manifestb67da0e4b80df87cc0f92410b5da3d4d90d9135dc478d86ad26483e0b8abdeca

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
Signature1y5gaIlhcn7nC8eT21lOmIQA69hu8mibmGBEj00sjAqS7CBzlDLO+G+Yl5xh8NiyB04GKla4EypdRDs66f6/Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:31:01.213638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098712
observed 3e8f2bbf449bd66510d46e015662fa9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:01.196695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098712/manifest.json
observed b67da0e4b80df87cc0f92410b5da3d4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:01.164230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098712/publication.md
observed fc27c2591c4709aab91e3d158c0b2b0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:01.134427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098712/publication.txt
observed 91aedbd8d9b51d71b511d0f893e6e367...
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.