OpenTechnical

OT-2026-000067515

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single 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-2026-000067515) never changes.

Identity and time

Publication numberOT-2026-000067515 · never reused
Internal UUID01a0ae8f-6bda-7f9e-8238-5614a373c8f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067515
StatusPUBLIC

Content hashes

Canonical textb50eaabd35a62109bae186b20ae9a6339e85a8046f5d47f2b2682fb9bf0d197c
Markdown84c21278b4005278b1d7839a61f6bfc23312ca8dd66f59c383e355a4e52d095f
PDF
Publication page21967a53d801e7108e033dc391747c9a0bd4ee26f2970ac180327904051f6bf4
Manifest9771374f7e3a789c7e502d6ac92c8bd54bed4f8b48720c7292d6988abbf24870

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
SignaturejLQRNfjya74hcLpOiKUE0eAwomR3MrRICvS9UKckua3g5Q8OUqDKnWTQ8QmFYm5LWBQVDEEhTt/YfAmX29x+CA==
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

2026-09-17T10:31:48.818991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067515
observed 21967a53d801e7108e033dc391747c9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:48.800022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067515/manifest.json
observed 9771374f7e3a789c7e502d6ac92c8bd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:48.782213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067515/publication.md
observed 84c21278b4005278b1d7839a61f6bfc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:48.765112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067515/publication.txt
observed b50eaabd35a62109bae186b20ae9a633...
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.