OpenTechnical

OT-2026-000070801

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, supply line pressure sensor, 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-2026-000070801) never changes.

Identity and time

Publication numberOT-2026-000070801 · never reused
Internal UUID01a0ae91-8c2d-79e9-92d4-6f86574f9354 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070801
StatusPUBLIC

Content hashes

Canonical text6cd875d60867aabd04a6e73db823f49fb8a0ff1d4c53b82f60dcb42e47bfa536
Markdown753a63142989dd5214c75a0219c38774be598f59cde91943f553610348acdb80
PDF
Publication page7882fcaae99efdd2779dee3eaaf98c4a6ae8f5b8e811249435229e19704ab9cf
Manifeste595c32c7a6936e334cfd6364db8c9fb9ac8a4fc52abe27e78039286a9773fbb

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
Signature4sJfd2e+crvzAk0RRm2WQVF+efJ0cQ/guQ7qRtD6AiN1hgRjZzbFj+yRy7FkQEgji3YxJRMuper/BmkA6XPKAQ==
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

2026-09-17T10:25:30.511650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070801
observed 7882fcaae99efdd2779dee3eaaf98c4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:30.492552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070801/manifest.json
observed e595c32c7a6936e334cfd6364db8c9fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:30.472406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070801/publication.md
observed 753a63142989dd5214c75a0219c38774...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:30.453668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070801/publication.txt
observed 6cd875d60867aabd04a6e73db823f49f...
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.