OpenTechnical

OT-2026-000006758

Publication integrity record

Vacuum cup gripper, three zone face, three stage ejector, pressure verified, contact triggered, silicone cups

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-2026-000006758) never changes.

Identity and time

Publication numberOT-2026-000006758 · never reused
Internal UUID01a0a966-6908-7617-a1b8-4b04b42c876b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:47:36.202743Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006758
StatusPUBLIC

Content hashes

Canonical text16ceba3694d162bde2b12e1f50e0c70be0dce7a4cebe28fe426129cd03267efd
Markdown02615a117448adaf53b575b205f252364080207d6db01483e3366230ff3974d0
PDF
Publication page91848b8d32437dc131c92a9a71ab7c9a46103315b37c1cd81efc0ea67bbcf015
Manifest68b154bbdcadb27d716d16e16a20c93b0b725fe7efd181e2688cbe9a04546c61

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
SignaturebjbZjP9HeakFXkdOarMAOo6AGIBmmJSqiV35J27O04FDkJJxpGtMSpYVa4l1+dxsYnikI8eRtRchTQ+uYksUDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T08:50:09.651646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006758
observed 91848b8d32437dc131c92a9a71ab7c9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:09.638177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006758/manifest.json
observed 68b154bbdcadb27d716d16e16a20c93b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:09.499170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006758/publication.md
observed 02615a117448adaf53b575b205f25236...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:09.486689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006758/publication.txt
observed 16ceba3694d162bde2b12e1f50e0c70b...
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.