OpenTechnical

OT-2026-000005367

Publication integrity record

Bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, contact triggered

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-2026-000005367) never changes.

Identity and time

Publication numberOT-2026-000005367 · never reused
Internal UUID01a0a936-cf3b-7463-96f4-fca99b004d9d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:55:36.638654Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005367
StatusPUBLIC

Content hashes

Canonical textb3bc787662686003cf190731f8dbee6b8b68415cef321c6d4b8548520f3d63ea
Markdown6cec02b81eee68f37d2b501d28cef391cfec51a267ddef9408ec097493545ddb
PDF
Publication page4b2f47252f574312cdde03b322792104359a55c3050f2f2907549b038a203edf
Manifest4e62326914586a3bbf1d42c04dd45ffe24ca53f13445d02fe7878abc4e724f20

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
SignatureEWw/fG3wow+/A5SKcoZbYqgAhJNZqysl/sbs3LQS8mh+lnEiuoSuZo6JE3fTD0Lvxrpua7pEHf8XjRjJkUmvCQ==
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

2026-09-16T08:00:17.696408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005367
observed 4b2f47252f574312cdde03b322792104...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:17.682583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005367/manifest.json
observed 4e62326914586a3bbf1d42c04dd45ffe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:17.667018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005367/publication.md
observed 6cec02b81eee68f37d2b501d28cef391...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:17.647376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005367/publication.txt
observed b3bc787662686003cf190731f8dbee6b...
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.