OpenTechnical

OT-2026-000078248

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, vented after 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-2026-000078248) never changes.

Identity and time

Publication numberOT-2026-000078248 · never reused
Internal UUID01a0ae95-7c27-7167-b809-d2ddcf2a65be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078248
StatusPUBLIC

Content hashes

Canonical text981890fc2637ae11403e49a19d355773fb43b7041248bd3ec2e1d7ffd81c26c7
Markdown0e8003e84371a48a017bed569c8e8e4c7c0a673c3a77d121d53801eb687b90a6
PDF
Publication pagea682b6f620da466f36608dd2f740291b9551702aaa18d1ceee9fdbf391f83b27
Manifestf5055aa269715cb4fefbc63ecc9072a9b80aa196f9df39856a8e67cd404e56c5

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
Signaturejq655avJhI8mwzVzptOjka7nh4gH00x9ok8hXUTV1NqgnOMcWXgAO0Bgz0+msCvWSmkbiTH/n6CaJ5407h/RDw==
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

2026-09-17T10:06:12.101302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078248
observed a682b6f620da466f36608dd2f740291b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:12.083273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078248/manifest.json
observed f5055aa269715cb4fefbc63ecc9072a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:12.063520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078248/publication.md
observed 0e8003e84371a48a017bed569c8e8e4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:12.002980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078248/publication.txt
observed 981890fc2637ae11403e49a19d355773...
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.