OpenTechnical

OT-2026-000037891

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000037891) never changes.

Identity and time

Publication numberOT-2026-000037891 · never reused
Internal UUID01a0ae77-f88a-7e7b-9a87-a0f1affd2712 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037891
StatusPUBLIC

Content hashes

Canonical text0e176e51649d4ce50ae8834dcaced6752b48e66fed2bbb22b1289e9b27081452
Markdown0a6a31e80a9a6808cf690c36436b2b86e8a0ac5a47ab9169e92fbf8f42f3be29
PDF
Publication page901ea52c5003e99c266873f1f1d07796f8f144b88026de996cccee01ff6a8cb0
Manifest43431c3ce36908d9be7eb343fa81e1a4cde33843887b72269bdf5200f8bbd00a

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
Signaturejz9ZpqGvDzuIjbTeGtr/FOXGS+V+TTrQ9RQpqrwY/IWfJxvGrFWroMVYBfxcOQp7nQPRegp0bH7F3LZWk0kkAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:23:09.379354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037891
observed 901ea52c5003e99c266873f1f1d07796...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:09.361027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037891/manifest.json
observed 43431c3ce36908d9be7eb343fa81e1a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:09.345299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037891/publication.md
observed 0a6a31e80a9a6808cf690c36436b2b86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:09.328771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037891/publication.txt
observed 0e176e51649d4ce50ae8834dcaced675...
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.