OpenTechnical

OT-2026-000006955

Publication integrity record

Porous face vacuum gripper, common isolation valve, three outlet manifold, two stage ejector, closed cell

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-2026-000006955) never changes.

Identity and time

Publication numberOT-2026-000006955 · never reused
Internal UUID01a0a96d-8d1e-7bfa-b45f-56b42ebb4749 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:55:24.192557Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006955
StatusPUBLIC

Content hashes

Canonical text0cfc9871de380939903a8583b78255a27a9fbd057cc819831a8c069747e1951a
Markdowndd012911357bfb833fc637f40d7902dfe59112eeee6bb5c2578e102b529dfca0
PDF
Publication page1d5856d6642a5f46a50c3357049088b414389325bfbe739d9b65cdeb44d5bf24
Manifest7cfb0fcefb26ef9541cda491aa0f05ff2db1cab1ee46e2a5b4d0f339d8bace4c

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
SignaturejxgDeQDfKcIqJCAxkpngW1lOnMigigaYyldN+lJfBVV9pPlZBPOUXOami0+bQfvUXoCvAGj+ECyRrP67bmfwAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:18.127946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006955
observed 1d5856d6642a5f46a50c3357049088b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:17.992525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006955/manifest.json
observed 7cfb0fcefb26ef9541cda491aa0f05ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:17.979543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006955/publication.md
observed dd012911357bfb833fc637f40d7902df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:17.964618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006955/publication.txt
observed 0cfc9871de380939903a8583b78255a2...
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.