OpenTechnical

OT-2026-000075830

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000075830) never changes.

Identity and time

Publication numberOT-2026-000075830 · never reused
Internal UUID01a0ae94-29fe-72b6-82ff-d2dc67fc6e57 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075830
StatusPUBLIC

Content hashes

Canonical text9123bfe279c64d3eb0c29d90c20e1b6a2f7a7f8e2f8dd6076e7149886c5374c8
Markdown8a27b2d3edfc0acd26d8c38c91fcbe40a7598193b4a65d6c41e34c442c4b8922
PDF
Publication pagede0a9f57b1f45a773628a2fa3e28018f9256bbae732a93bf015b5c869ca07d09
Manifest93b9c18d5d68fce1c87a1aefeda25fec5a3ce76f6f122cd2ff88b0f9696a2959

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
SignaturejJ6V1qalOILSa50rchCwAyPtR0q07jG1HzUm54fA99XulOY9NHIqzH/+xonHcyuGJkeRDric2ErF0L/0w/wxDw==
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

2026-09-17T10:14:29.203703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075830
observed de0a9f57b1f45a773628a2fa3e28018f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:29.058149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075830/manifest.json
observed 93b9c18d5d68fce1c87a1aefeda25fec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:29.038004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075830/publication.md
observed 8a27b2d3edfc0acd26d8c38c91fcbe40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:28.995377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075830/publication.txt
observed 9123bfe279c64d3eb0c29d90c20e1b6a...
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.