OpenTechnical

OT-2026-000089246

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000089246) never changes.

Identity and time

Publication numberOT-2026-000089246 · never reused
Internal UUID01a0ae9b-db00-7dff-bd08-59096f548d1f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089246
StatusPUBLIC

Content hashes

Canonical textc540737fdaa72fe1b918a1d2e08a5114c397778a853c079693c25fd78ad5bc7f
Markdown82897a4344473ac4e13c6efb760d4e53f7c0dfed093940722a10b05c90f7dbb9
PDF
Publication pagead00e4861f15fbd5ccbba0d8857d2401eb62699b0dee01abc25692f09d288216
Manifeste8909045e6cfeda42836dd2df71a1948af24d29abe9f4ec73df1d94b2a0f39e5

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
Signature6hzq/Fj8f8MrB9PNLVBDfIoiFLh9Rl/KVJMH7R2iZBChoy5RpQ3Q3tOB+AbMqtTddVzKIpH5mTTOEuXpeSVqCA==
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

2026-09-17T09:47:16.673467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089246
observed ad00e4861f15fbd5ccbba0d8857d2401...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:16.656583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089246/manifest.json
observed e8909045e6cfeda42836dd2df71a1948...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:16.638733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089246/publication.md
observed 82897a4344473ac4e13c6efb760d4e53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:16.622453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089246/publication.txt
observed c540737fdaa72fe1b918a1d2e08a5114...
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.