OpenTechnical

OT-2026-000074918

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold 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-2026-000074918) never changes.

Identity and time

Publication numberOT-2026-000074918 · never reused
Internal UUID01a0ae93-ac2d-7f7f-8aa1-d02beb171fb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074918
StatusPUBLIC

Content hashes

Canonical texta811270d67533a9def8d1fef457bddd1177eb6cd3265a8112a55dd87ed0b6ae9
Markdown841c104233c5273e0d28c58d3f606cce7e6dc3295e45cabf45f5394980f8dc15
PDF
Publication page3ede078d40adfe2d06436ff2c53d50d6db20d7b93d19fbdb9fc7289ea1ab02be
Manifest858b21f3bbf23b7de744523b9db5daef6df969f64bfb7cdd53ab7014bd9ea873

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
Signaturekcv6jLYL4fOzsxWfiPpIrCBq4UaGo8vs+6G+U6szi/4QnhTcv/3OM7o6wnAt7Yj0DJRJj27pPIJ3BKs9BggJCg==
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

2026-09-17T10:18:38.647014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074918
observed 3ede078d40adfe2d06436ff2c53d50d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:38.630768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074918/manifest.json
observed 858b21f3bbf23b7de744523b9db5daef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:38.613249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074918/publication.md
observed 841c104233c5273e0d28c58d3f606cce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:38.596149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074918/publication.txt
observed a811270d67533a9def8d1fef457bddd1...
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.