OpenTechnical

OT-2026-000077306

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000077306) never changes.

Identity and time

Publication numberOT-2026-000077306 · never reused
Internal UUID01a0ae94-f508-7f9b-afa8-e597498975d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077306
StatusPUBLIC

Content hashes

Canonical text9d1347f9be2f142ed50879230d0bc0708476d452a063b35fbff4867391d10724
Markdown3582fed578d8ed26c68c9bbcf38d52c549d85c09969f99513d3662ba419c3440
PDF
Publication page35f2ea40221f317ef38020de0863997ba4ec2b90f96ec5afba890dffcf03d2e5
Manifest571c016e177925544244baa7e2f3d7bca22d7034778d1eef53fa8186e8b5a663

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
SignatureR+Y6AYlWXHnp5IFjwYWIvow39n4re/7jIuKJEk+aVkk7OTw7kxSr8/D92w+XBevMTxbTxeMS40HErDJzSJymBA==
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

2026-09-17T10:08:56.556870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077306
observed 35f2ea40221f317ef38020de0863997b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:56.536469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077306/manifest.json
observed 571c016e177925544244baa7e2f3d7bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:56.517009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077306/publication.md
observed 3582fed578d8ed26c68c9bbcf38d52c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:56.498048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077306/publication.txt
observed 9d1347f9be2f142ed50879230d0bc070...
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.