OpenTechnical

OT-2026-000083329

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, 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-2026-000083329) never changes.

Identity and time

Publication numberOT-2026-000083329 · never reused
Internal UUID01a0ae97-c964-7292-9d7f-3b24a0a316f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083329
StatusPUBLIC

Content hashes

Canonical textbfcbed609b1e10d05c78afd94b69b78949fe0c30fd1bb1b6fb97c4dc1fe8dcea
Markdown59d157fc9752c8f57e37fe7de982207b3fd437ffbee288cc88a6edf49bc6b375
PDF
Publication page2217c5dfed9809f629165c855f464528453dfef4b8631e7e41579d3bc9f06434
Manifest6b8af179b080c32a7d257a25ac3730e96b9024bf0eebe82520006200182f9843

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
Signaturesa2ZEOVjklTdrhp17qpEaM9xqZ4jRXYnktmNj1auxQcDDwuYFGiOjK3ZtYfjiDwbBx5Vba9GERaz7hvn3z0cCA==
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

2026-09-17T10:00:35.820211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083329
observed 2217c5dfed9809f629165c855f464528...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:35.800703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083329/manifest.json
observed 6b8af179b080c32a7d257a25ac3730e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:35.781614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083329/publication.md
observed 59d157fc9752c8f57e37fe7de982207b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:35.763502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083329/publication.txt
observed bfcbed609b1e10d05c78afd94b69b789...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:43.639075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083329
observed 2217c5dfed9809f629165c855f464528...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:43.622954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083329/manifest.json
observed 6b8af179b080c32a7d257a25ac3730e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:43.606612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083329/publication.md
observed 59d157fc9752c8f57e37fe7de982207b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:43.590094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083329/publication.txt
observed bfcbed609b1e10d05c78afd94b69b789...
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.