OpenTechnical

OT-2026-000070308

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000070308) never changes.

Identity and time

Publication numberOT-2026-000070308 · never reused
Internal UUID01a0ae91-545e-7c3a-a8b9-7f2f8f8b64aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070308
StatusPUBLIC

Content hashes

Canonical text18691cf35e77463140df3871620f95cf924a4e385501806854ca1f761640e367
Markdownd28226bf5abeb888963983413f9dd5eaebf8f396b75fa43b53f078cd09f76513
PDF
Publication page667316ab9b3567960d1b452fab18552a833bbeafbdf7fa95cc3e38fd936280c3
Manifestf2cf6c0b0cbabfa4309e897180ac91a9a56a5389d63ed2e479cf3fd03760a339

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
SignatureEIQkR/1AEmclKzLcgLF3OmcDdmBRhW4T6dOD6l4oRsi61uSBU1nZBRSoAjIAJ+1BVA/huFEXSyvEDfnIOVNnBA==
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

2026-09-17T10:26:05.775992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070308
observed 667316ab9b3567960d1b452fab18552a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:05.758374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070308/manifest.json
observed f2cf6c0b0cbabfa4309e897180ac91a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:05.741155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070308/publication.md
observed d28226bf5abeb888963983413f9dd5ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:05.723161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070308/publication.txt
observed 18691cf35e77463140df3871620f95cf...
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.