OpenTechnical

OT-2026-000062234

Publication integrity record

Foam pad vacuum gripper, two stage ejector, vented after 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-2026-000062234) never changes.

Identity and time

Publication numberOT-2026-000062234 · never reused
Internal UUID01a0ae8c-0abd-7032-8003-7148e58bbf88 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062234
StatusPUBLIC

Content hashes

Canonical text29df80a1451a2e71235886d1fb90dcec0d5ec8305ad94e6e487ab0daf67767c0
Markdown6dc56a22ee8724c9fa45bdce672f25221c7eb52b6443e95040aa028a994f7227
PDF
Publication page289528425acef5ba4e50f8bb71dc0c771253ba17214d220794662876ca57f530
Manifest3d336683dc396186dfcc9321710df89faed4a106fee09584c211bc1fb9bc84b7

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
SignatureQHgfMNjpyQplc++52WI6M3ocknr+iAE79vm/3EIlzYa+j/bMnSInPBhPgz7EQR7Wh1nm6UoIaVAPLPyKTQOlBA==
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

2026-09-17T10:39:30.514030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062234
observed 289528425acef5ba4e50f8bb71dc0c77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:30.497396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062234/manifest.json
observed 3d336683dc396186dfcc9321710df89f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:30.479056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062234/publication.md
observed 6dc56a22ee8724c9fa45bdce672f2522...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:30.462744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062234/publication.txt
observed 29df80a1451a2e71235886d1fb90dcec...
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.