OpenTechnical

OT-2026-000078834

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, vented after 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-2026-000078834) never changes.

Identity and time

Publication numberOT-2026-000078834 · never reused
Internal UUID01a0ae95-ccbd-7064-99b7-00f0436dd6ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078834
StatusPUBLIC

Content hashes

Canonical textb0ff10d1cb163a1dbae3f637082e763a441d457fdb6f87e96b705007918c7622
Markdowna05893bf0e9c9b148ef26993be6c8ceee74f42a83f1415f7ba2ff43ae2433385
PDF
Publication pagef5091d63f463283236258a163eb7f57fcd9b313127846c548443d2831c43ad30
Manifestfbcc36c11c138ed9f3d74dbd4dfdf00bcb6f15b76d37e27b430d1e44bd26e656

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
SignaturebpIwQlenkQNZdDP5OftxCx90c9kNB0Fq0kFgaQxfgf4XiTsNgnh408yrZQtHHxaQMO2v8S2m660yydHwlQfNCQ==
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

2026-09-17T10:05:37.918569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078834
observed f5091d63f463283236258a163eb7f57f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:37.902303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078834/manifest.json
observed fbcc36c11c138ed9f3d74dbd4dfdf00b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:37.884624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078834/publication.md
observed a05893bf0e9c9b148ef26993be6c8cee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:37.868520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078834/publication.txt
observed b0ff10d1cb163a1dbae3f637082e763a...
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.