OpenTechnical

OT-2026-000050911

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000050911) never changes.

Identity and time

Publication numberOT-2026-000050911 · never reused
Internal UUID01a0ae82-c7b3-72cd-ae7f-891b0089b06f · 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-2026-000050911
StatusPUBLIC

Content hashes

Canonical textc6dcafaed4852a4a762818a8ff3c2a011f9823a94ec4f3b9ac391c44cb878e5e
Markdown4eae7cdf8697e0cc7d27dfe7bd28037a66fc22cb0078a39ed63207e2d9bf9a91
PDF
Publication pagef742af731405c8bab36f278474213927ff5cd1b8e6eca3deaa1b5d4308a764bd
Manifestd7664be5659ea5915e3edad482afa2b38e04b4ca75f24a35a7592e9f61a6456b

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
SignatureZaCW4nSjGlHru9FzS9de88P6FeYiqYDWms8jb5xjiVSoNwl7+IX7/OCLfSLfKT714GNyS9MwcxtSsujHtyKoCw==
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

2026-09-17T11:00:39.784375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050911
observed f742af731405c8bab36f278474213927...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.763542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050911/manifest.json
observed d7664be5659ea5915e3edad482afa2b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.750997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050911
observed f742af731405c8bab36f278474213927...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.743984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050911/publication.md
observed 4eae7cdf8697e0cc7d27dfe7bd28037a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.729771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050911/manifest.json
observed d7664be5659ea5915e3edad482afa2b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.719154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050911/publication.txt
observed c6dcafaed4852a4a762818a8ff3c2a01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.693485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050911/publication.md
observed 4eae7cdf8697e0cc7d27dfe7bd28037a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:39.669047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050911/publication.txt
observed c6dcafaed4852a4a762818a8ff3c2a01...
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.