OpenTechnical

OT-2026-000071273

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, 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-2026-000071273) never changes.

Identity and time

Publication numberOT-2026-000071273 · never reused
Internal UUID01a0ae91-e0ec-72e5-9ee2-e04bd5381e8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071273
StatusPUBLIC

Content hashes

Canonical text3e0d7716316de9bd47f396dbc84762701e28c8ece68efcad763eb83f434d24ac
Markdown752cec6faae077a0bb975989463457b2b68a5ef2644dec8e73d19de4f2650d5f
PDF
Publication pagedc6baa35973370bc7d00ebd944d216533cc0a07ef0526074d412bee8c21d8619
Manifestf652cafa1ceb2b4bdfe2a12121fa06ebfb6e2d45fb881fbccca7d549ab2408c8

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
Signature9qadtBHTzGBLuKbFzPSoLeedVi7O7M4FmlD3sWupuP3iFzn8xlktK8kwmqTuqQnWnyoGgeqbd9kXNxkaURwkDQ==
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

2026-09-17T10:24:50.144347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071273
observed dc6baa35973370bc7d00ebd944d21653...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:50.123770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071273/manifest.json
observed f652cafa1ceb2b4bdfe2a12121fa06eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:50.105160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071273/publication.md
observed 752cec6faae077a0bb975989463457b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:50.086120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071273/publication.txt
observed 3e0d7716316de9bd47f396dbc8476270...
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.