OpenTechnical

OT-2026-000086381

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, sustained blow-off 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-2026-000086381) never changes.

Identity and time

Publication numberOT-2026-000086381 · never reused
Internal UUID01a0ae9a-2c96-71ad-986a-9cbdf2f9aa87 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086381
StatusPUBLIC

Content hashes

Canonical textc84b8857de3e5a970702ff58b7314ac7d02c73398a0007f6e39ab31d1ee1a060
Markdownc9d81270d38cb6ab4d4ea33aa2f9ba0354f9f39e0c2154beae795bcff013b307
PDF
Publication page950f6e4bb5831bb914ede30817cb986a1d1fe4001678ccbcd362dc7b3161aedd
Manifest795e3eca0a34865b9a41e024c709af7ac4fa6c4ae2581de0a20ac475059507d2

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
SignaturebKj31iUCxNqDuBK+0d4bovl/BG8vPBNn2ylCAsdSrDFhKW+lmIgtVdBWu2TuOrpTqzWdG3lA4ftgz+VjGd9ZDw==
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

2026-09-17T09:52:04.538254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086381
observed 950f6e4bb5831bb914ede30817cb986a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:04.521053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086381/manifest.json
observed 795e3eca0a34865b9a41e024c709af7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:04.505051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086381/publication.md
observed c9d81270d38cb6ab4d4ea33aa2f9ba03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:04.488705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086381/publication.txt
observed c84b8857de3e5a970702ff58b7314ac7...
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.