OpenTechnical

OT-2026-000102225

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pulsed blow-off 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-2026-000102225) never changes.

Identity and time

Publication numberOT-2026-000102225 · never reused
Internal UUID01a0aea4-50f3-7110-a544-38ebe2abbb5b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102225
StatusPUBLIC

Content hashes

Canonical textaeafad5e641f36d26866aa792297013a6de937d28acb901a4c47a3a712c59334
Markdownbcfa7c3151cdc3a4bbb651d130c0f7bf01b678eb37d7894644022f24d6aedf17
PDF
Publication pagef05c3d487cc68b223cedf2d305eb583d707c844e5c66c32444464e56f77cc202
Manifeste57a481eed525e9d64f4ca1fe2a04636a8904712c414b69ccbc9d41b1aecfd40

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
Signature86loqBQHHKoH+vmIyArC0O8sKR1lCEg+FjxJTME6WJ4kw5F0lruxfnhZzpdTxQSEERdPghGzzs9/bDrlayH8CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:24.233180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102225
observed f05c3d487cc68b223cedf2d305eb583d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:24.216069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102225/manifest.json
observed e57a481eed525e9d64f4ca1fe2a04636...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:24.196876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102225/publication.md
observed bcfa7c3151cdc3a4bbb651d130c0f7bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:24.180128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102225/publication.txt
observed aeafad5e641f36d26866aa792297013a...
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.