OpenTechnical

OT-2026-000006216

Publication integrity record

Vacuum cup gripper, three stage ejector, contact triggered, pulsed blow off after set down

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-2026-000006216) never changes.

Identity and time

Publication numberOT-2026-000006216 · never reused
Internal UUID01a0a953-3fe9-7974-a75f-a79ab3641062 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:26:40.491894Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006216
StatusPUBLIC

Content hashes

Canonical text63d2055f065666397301497fa5fc8a105cf6292ecf4a527d7c4c9ae0899f9d3d
Markdown058e3fb10656995d8a96a5ee91d67abb31d3f04db43e9970411536d8761ff107
PDF
Publication page194f1f30567942c6fbcc26f4d3ae7e75a9d03200017d2a075efa78d31bee3d79
Manifest24558da785cad48cd89a5f671f4e96e69e8f3c206d72004c00b681685bee394e

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
Signature2qa+Lid40I/d5BdkPJr+NQzEOHGUdrUyr+xSemue7csBIA1+WhgfrArEguAH9KM/stJbDsIUpMJSvEuNf5rPBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:13.988762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006216
observed 194f1f30567942c6fbcc26f4d3ae7e75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:13.976150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006216/manifest.json
observed 24558da785cad48cd89a5f671f4e96e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:13.961824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006216/publication.md
observed 058e3fb10656995d8a96a5ee91d67abb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:13.945598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006216/publication.txt
observed 63d2055f065666397301497fa5fc8a10...
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.