OpenTechnical

OT-2026-000011714

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, pulsed 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-2026-000011714) never changes.

Identity and time

Publication numberOT-2026-000011714 · never reused
Internal UUID01a0ae6d-1940-711c-af09-3080c27159c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011714
StatusPUBLIC

Content hashes

Canonical text416c2fb29353b8167d816d2822aefa11b72d4c165c72c996519b49ed7fc7edd9
Markdown1f4ef35541bb2d309bbf3d74dbeb6f0f5ee14e21d84b7add8f3cef507c89f4e3
PDF
Publication page51e5e496c71eb0d94bc82ee442b57148f06007ac1f2147a509bdd6a516dcef47
Manifest72e4dc5fa1c2f4a14723bd85096671e2361c4665441ce1896dfb76771a764f08

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
SignaturegKQJ2Bftr9iQGDlzVUEFPuiQIYdtWjX0Lr81vX2R0ul37VcaYJYiwxHkwO/XvYmVxyAg5LmccdcO/iGlBSL7CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:12:19.549569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011714
observed 51e5e496c71eb0d94bc82ee442b57148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:19.532846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011714/manifest.json
observed 72e4dc5fa1c2f4a14723bd85096671e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:19.514708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011714/publication.md
observed 1f4ef35541bb2d309bbf3d74dbeb6f0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:19.497199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011714/publication.txt
observed 416c2fb29353b8167d816d2822aefa11...
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.