OpenTechnical

OT-2026-000088941

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000088941) never changes.

Identity and time

Publication numberOT-2026-000088941 · never reused
Internal UUID01a0ae9b-8f11-74cc-9e90-b709c73cb48d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088941
StatusPUBLIC

Content hashes

Canonical text13284d57bdd0132c46f0f2b7739883d1231341f07da0f02eb44f2355ed6bdf32
Markdown71958bd11c27e636c568d15e2aad2638e89bffb307935d303988334d5c5a3a3f
PDF
Publication page28006379974f89b4daa2e380d30f598893e8140920928a32de837bdd79ba3b7f
Manifest405555889b227db5162e91b6c22f85edf0e0309b8dab036a5683a8672f99f2f4

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
SignaturermknOdvPUjk5+qnzquzVR6vjgrSaeq6KStjwjsQDuufMF5OczhtnAzaGrXJVOu7n38JL27MqfCCWqlSmfl4yAg==
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

2026-09-17T09:48:21.145103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088941
observed 28006379974f89b4daa2e380d30f5988...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:21.128054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088941/manifest.json
observed 405555889b227db5162e91b6c22f85ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:21.112033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088941/publication.md
observed 71958bd11c27e636c568d15e2aad2638...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:21.095522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088941/publication.txt
observed 13284d57bdd0132c46f0f2b7739883d1...
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.