OpenTechnical

OT-2026-000084641

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-2026-000084641) never changes.

Identity and time

Publication numberOT-2026-000084641 · never reused
Internal UUID01a0ae98-e25c-775f-a238-02bf75821d10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084641
StatusPUBLIC

Content hashes

Canonical text2bb0737b3b4b981e9ff13a27a5f1db23aedc2f2bac0d33e3be59d626775b226e
Markdown2a434a950f5b1adceab0a887138557f4e6b92b8cc1379e8dd30d86c0f105abac
PDF
Publication page1f3e61bf7f487ce5937e20c719ebcb333a3c8c9c876e744e00ba7bef17b7c242
Manifest72ccca658cd297c5952928602580c4e83716d65006e98809d110863ee0a4bc16

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
SignatureJ90j0TeKDjyGYPVTIbzRLlwpgYqYuzrdSBfjk3LqwbM7T80jvmdLZbJBFhOKgKnGmj6ALC1Ix/kqspERgahcAA==
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

2026-09-17T09:55:33.561419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084641
observed 1f3e61bf7f487ce5937e20c719ebcb33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:33.545186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084641/manifest.json
observed 72ccca658cd297c5952928602580c4e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:33.527460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084641/publication.md
observed 2a434a950f5b1adceab0a887138557f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:33.509200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084641/publication.txt
observed 2bb0737b3b4b981e9ff13a27a5f1db23...
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.