OpenTechnical

OT-2026-000008249

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, vented before set-down

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-2026-000008249) never changes.

Identity and time

Publication numberOT-2026-000008249 · never reused
Internal UUID01a0ae6a-908e-7582-82b6-b96ee9ac4bb0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008249
StatusPUBLIC

Content hashes

Canonical text7256d4919f19cd89be4b5a89a0b545b15b89b8e0f5eba3ef943949dfde47e02e
Markdown58aa67915dd289b0c6dd5923b05bea7c0dc80dda2e6de837adaaf63c733eebe9
PDF
Publication page43b58dcfb6f8db89a462911352637bdca7a3ed2f98a16caa6f2f1e47bf7dbae1
Manifestf7045ad7e6fa88843bf4b865d3c904104c09703234c8d3d6eb6746f909356bb6

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
SignatureOqlx/d81+h7wg6uLtWDPIxa13Kpjsmqn1LwIaZu6cyzZXflvCWS6wP91LCHwtVhAewvwSH9uo4Jh+d5Z0oW8CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:40.390139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008249
observed 43b58dcfb6f8db89a462911352637bdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:40.372038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008249/manifest.json
observed f7045ad7e6fa88843bf4b865d3c90410...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:40.351290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008249/publication.md
observed 58aa67915dd289b0c6dd5923b05bea7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:40.333318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008249/publication.txt
observed 7256d4919f19cd89be4b5a89a0b545b1...
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.