OpenTechnical

OT-2026-000080197

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, two stage ejector, sustained blow-off before set-down

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-2026-000080197) never changes.

Identity and time

Publication numberOT-2026-000080197 · never reused
Internal UUID01a0ae96-7e76-7d89-a683-95a95a7f7892 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080197
StatusPUBLIC

Content hashes

Canonical text7f02e2fc1c8446a49108f43533ea473703fef44dc555acf6602531bf117148ed
Markdownd7fd1adbfc6a354be25e78667b5177aee3f21428cf6fe1fe65182a7e21d2760b
PDF
Publication page8b970bbac356f6419e3db5317b09c6775dc9b8c0337bde41dfc4f081ff67a07d
Manifestb70efc6e405b2d5d001b041207707ca464e4a31408308f1a6196821fa05a0660

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
SignatureT4A1NowMT55XYhRCy+JIYWqXXS7luiZNjg24EwK6u2LazibDLzrFNIRYBsSI2uCYHPMaS2J5nwvMV+cSnYpNBA==
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

2026-09-17T10:02:38.513262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080197
observed 8b970bbac356f6419e3db5317b09c677...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:38.495451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080197/manifest.json
observed b70efc6e405b2d5d001b041207707ca4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:38.476771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080197/publication.md
observed d7fd1adbfc6a354be25e78667b5177ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:38.455527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080197/publication.txt
observed 7f02e2fc1c8446a49108f43533ea4737...
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.