OpenTechnical

OT-2026-000032646

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000032646) never changes.

Identity and time

Publication numberOT-2026-000032646 · never reused
Internal UUID01a0ae75-1070-78f9-a51a-d37e466a6409 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032646
StatusPUBLIC

Content hashes

Canonical text5f0907794dd94b2624c04ddc6c1119ecd0d3bcc24cf7081160f5ea6be9bd2615
Markdownc28b315dcefd3580506abff1036844c72d04eed63a7b0b1262c53ebaef5ad178
PDF
Publication page1bb65b3af6846e00ae2696f3add91ea9bf2c87930e02eddf70e133a590cc2238
Manifestc4822c70d788abe7a314e86e6024414970acf052daf86df9e6b62f13667ce4db

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
SignaturegGNnM6Yo9GyhA7lnJhvstjBZjppXp0jW2PNmp5zNhBYqDZVWvl1YGZCTAC5FvnDyfeJZWFBiUQV1vKPsx3CfDg==
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

2026-09-17T11:34:14.313133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032646
observed 1bb65b3af6846e00ae2696f3add91ea9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:14.295074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032646/manifest.json
observed c4822c70d788abe7a314e86e60244149...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:14.277725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032646/publication.md
observed c28b315dcefd3580506abff1036844c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:14.261648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032646/publication.txt
observed 5f0907794dd94b2624c04ddc6c1119ec...
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.