OpenTechnical

OT-2026-000100867

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000100867) never changes.

Identity and time

Publication numberOT-2026-000100867 · never reused
Internal UUID01a0aea3-66f5-7cc5-8185-805064794cd3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100867
StatusPUBLIC

Content hashes

Canonical text1b5b306adbb7a7ca03b71f8e4da759d615e6ed4efbb118c4b86241ae1230cc6f
Markdown077f39546b29612149a9e91c0f449fec3da87059b43175a15101ef576039c2bf
PDF
Publication pagef2e23e9a67ce444618eb46861ee4563f52626d7bea38fa6f4e3565767cee72d2
Manifest075844b4d7684038cc5f35aa71e33c890cd555a8944058e276a8b0f43f62fe96

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
SignatureaBXVO13LB8NzuUmrXQA4NpPjOvYvjum/TSBkVZ6VIJOapA2LCuxBxaDBwhFKR2lxcaVgZE51jKTT6BT/TP/fDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:47.997726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100867
observed f2e23e9a67ce444618eb46861ee4563f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:47.977881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100867/manifest.json
observed 075844b4d7684038cc5f35aa71e33c89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:47.959784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100867/publication.md
observed 077f39546b29612149a9e91c0f449fec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:47.940646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100867/publication.txt
observed 1b5b306adbb7a7ca03b71f8e4da759d6...
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.