OpenTechnical

OT-2026-000036297

Publication integrity record

Single cup vacuum gripper, pump fed, supply line pressure sensor, pulsed 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-2026-000036297) never changes.

Identity and time

Publication numberOT-2026-000036297 · never reused
Internal UUID01a0ae77-01d0-7b48-b351-9952380580f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036297
StatusPUBLIC

Content hashes

Canonical text70301c6b99deb3ab49b4b3e9c21d5b94b9669d0e3fe4db8b0dd4275a5c5143a2
Markdown1a456be07d1f43550c3581f40c1d5bf98092dfe0bd8b4bd0e04b6947f5ebb422
PDF
Publication pageb6f711972bc96205bcc1fde062b056b12826d103945b8d727e76115f5fff46e9
Manifest0bbff5649c7b16a36645f99296e479b77656831852a5723f82895110ef16bfa8

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
SignaturegSVkHRC/vOhusBe9jko8jIDMJeGDlL0ycrzUpLStqTk69YhiaJ4XnotvIMELL5W4Ppd9TgHuAJQF8whiQki/Aw==
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

2026-09-17T11:26:33.975912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036297
observed b6f711972bc96205bcc1fde062b056b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:33.957116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036297/manifest.json
observed 0bbff5649c7b16a36645f99296e479b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:33.936549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036297/publication.md
observed 1a456be07d1f43550c3581f40c1d5bf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:33.916869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036297/publication.txt
observed 70301c6b99deb3ab49b4b3e9c21d5b94...
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.