OpenTechnical

OT-2026-000005295

Publication integrity record

Bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector

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-2026-000005295) never changes.

Identity and time

Publication numberOT-2026-000005295 · never reused
Internal UUID01a0a934-8845-7365-b405-5c9ef986867a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:53:07.399258Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005295
StatusPUBLIC

Content hashes

Canonical text75b9d097e78982f8c240df0c9618113e4c35536ff32d245756422d1b1c8e2923
Markdown73fa1853b2130b6784a9bfc90fdf28a1e1cef4f4ec502b9b4974198d6e7d1176
PDF
Publication page3fa1e4335dfc5be365026794269ebd8c6bd88f4e471f09795e2e84dd5478127a
Manifest3fc39194e5d691e31e6d47e3b6ca19e12ca3cd73873fbbbeb7a5cbacb7c0ab89

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
SignaturemdwMjo0UtIrqJXj+0hvUkGTrzOLIX1B0UBukeAwKGW7Y9nNDUpZ0o92pQU31OrbEAFLtokAXptzOxAHEDVEsAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:25.713746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005295
observed 3fa1e4335dfc5be365026794269ebd8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:25.699947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005295/manifest.json
observed 3fc39194e5d691e31e6d47e3b6ca19e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:25.685357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005295/publication.md
observed 73fa1853b2130b6784a9bfc90fdf28a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:25.671660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005295/publication.txt
observed 75b9d097e78982f8c240df0c9618113e...
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.