OpenTechnical

OT-2026-000070097

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000070097) never changes.

Identity and time

Publication numberOT-2026-000070097 · never reused
Internal UUID01a0ae91-1861-78a8-90be-71d46f38f27d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070097
StatusPUBLIC

Content hashes

Canonical text121bfbcfdaee379094f95f553282e5a831f31a5ba6d7c85e21df5ea5fee7f674
Markdowna2766207b8d9d5beb998867816b423077d98a97777dec7f389d0a6d8deed55c6
PDF
Publication page07d5812abcd9d53b53745ce0e41853ee5cb53cf8b29a6c67dfcad52f2119ffd4
Manifest5edbdf423b803eddfb048060d5e287a5426357699272127b80742706d237cc00

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
SignatureGfyqyO8VTzuHLv5vm5AO3vBB8V67+Uf2qbm8TmlZe0nkgVJqHo66/rrhWIYbZKm6XeCNY5JdzBg+0bwr7UPCAw==
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

2026-09-17T10:27:04.013044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070097
observed 07d5812abcd9d53b53745ce0e41853ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:03.995993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070097/manifest.json
observed 5edbdf423b803eddfb048060d5e287a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:03.979597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070097/publication.md
observed a2766207b8d9d5beb998867816b42307...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:03.962779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070097/publication.txt
observed 121bfbcfdaee379094f95f553282e5a8...
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.