OpenTechnical

OT-2026-000050979

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000050979) never changes.

Identity and time

Publication numberOT-2026-000050979 · never reused
Internal UUID01a0ae82-c7b4-7ffb-b534-2cd006d7a017 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050979
StatusPUBLIC

Content hashes

Canonical texte1fe00d87a23bb3bd59ec5e9373ce7d9c66af0282738fb89ea07607cccf3a3b5
Markdownf2dc54167a406fd0d356b4fcc0359bda28b9efa92ad691c643e84d0cba28c2b3
PDF
Publication pagedf7509e3ee384d8a72841c8ae310f46fe836027fee891cff80a7f1d4f510a711
Manifeste52e2c272fdb1600f6e07bda7254235182ffed0f245dba7645f013dcbc517fa0

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
SignaturewRlXqsbT8jtnTH5OW733309R50SYZSjRO1XeUJDsTBVRJjZ4tvqVrz2TxZL1oxUE7FBsKDwZo46ACmSl2DasCA==
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

2026-09-17T11:00:52.207980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050979
observed df7509e3ee384d8a72841c8ae310f46f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:52.190780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050979/manifest.json
observed e52e2c272fdb1600f6e07bda72542351...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:52.173168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050979/publication.md
observed f2dc54167a406fd0d356b4fcc0359bda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:52.155269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050979/publication.txt
observed e1fe00d87a23bb3bd59ec5e9373ce7d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:52.130371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050979
observed df7509e3ee384d8a72841c8ae310f46f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:52.109859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050979/manifest.json
observed e52e2c272fdb1600f6e07bda72542351...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:52.093252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050979/publication.md
observed f2dc54167a406fd0d356b4fcc0359bda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:52.073449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050979/publication.txt
observed e1fe00d87a23bb3bd59ec5e9373ce7d9...
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.