OpenTechnical

OT-2026-000079377

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two stage ejector, sustained 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-2026-000079377) never changes.

Identity and time

Publication numberOT-2026-000079377 · never reused
Internal UUID01a0ae96-0b90-75af-84f1-4add1e0bf0b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079377
StatusPUBLIC

Content hashes

Canonical textfea3420af22edc3264e8f381033b7c770b329b1f5716c83fa20b2bc7d77a6ae0
Markdownc1a10314156e609a95cffaa94fbb46aed03ab0d8a83fd5fc400aaaafa51c0cec
PDF
Publication pagea9910a5e248456aa01f8a4bb5800c9018f13d31d7c7e76425633c74f77b8904a
Manifest4e7bbf011323480ef42d4f93c0baafba9ec418cc89caa635623a7e1e739af95a

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
SignaturezZirni6NxSX2tFZVrkIPp2IuNxJ1DgsUp/zgkUp7HcXUJlyw81Gpbp45fbOO2v+uAiJYxktQFkT9ltG94hTQAA==
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

2026-09-17T10:04:59.841039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079377
observed a9910a5e248456aa01f8a4bb5800c901...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:59.822878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079377/manifest.json
observed 4e7bbf011323480ef42d4f93c0baafba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:59.803679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079377/publication.md
observed c1a10314156e609a95cffaa94fbb46ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:59.785187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079377/publication.txt
observed fea3420af22edc3264e8f381033b7c77...
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.