OpenTechnical

OT-2026-000067674

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000067674) never changes.

Identity and time

Publication numberOT-2026-000067674 · never reused
Internal UUID01a0ae8f-6bdb-7a11-b261-5e71dedf6077 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067674
StatusPUBLIC

Content hashes

Canonical text4cc2e5aed21e7a36aa0cf1ca58dc9ead81d087bd7b3fe0b9993b16b3753f48f3
Markdown2c6a3753de119adaa3bd6c080b14262a7727bd2bc2ebdc559a3827211ac577d9
PDF
Publication page6334563f6d8cabfb0c8739028e6ce800d3415fbf66878ef9728c8aad2463aece
Manifest4b4eb107f691d050ee0d98872a58c32b10431dd19043c3c10885d661baf8ad50

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
SignatureTkCywluYmRJStPOCeL2klM6GRIp6krC97bttoKRdEquHRr31B8RMVqdc2zB3MD6q8khWQlGUR+AvD8nZLkk8AA==
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

2026-09-17T10:32:00.598089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067674
observed 6334563f6d8cabfb0c8739028e6ce800...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:00.511075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067674/manifest.json
observed 4b4eb107f691d050ee0d98872a58c32b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:00.492661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067674/publication.md
observed 2c6a3753de119adaa3bd6c080b14262a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:00.473900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067674/publication.txt
observed 4cc2e5aed21e7a36aa0cf1ca58dc9ead...
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.