OpenTechnical

OT-2026-000034195

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, 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-2026-000034195) never changes.

Identity and time

Publication numberOT-2026-000034195 · never reused
Internal UUID01a0ae75-df0d-70ee-803e-ad74d2ac1a7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034195
StatusPUBLIC

Content hashes

Canonical text4dfce40a3c84c137c9a4df8f496a98e46d9f0462ee85f8197b19ca8d871c396d
Markdown52d198c67b783a9ba1512d09a59bb45da3b37842577fd0cdd31a5236516b8ce0
PDF
Publication page23a07dec98f2a032ae230c5a20bb8a02ebd00fc2cca5eda05b0a76388c739942
Manifest1bd87ff194c54110375892b6b0fbdddccfc9ce9ac2a6201723af94831aa3943a

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
SignaturenZCIsidz90jbcU/xpAp6nwoLE6/mPhk65chcDJLlph+jgTFNVhNassTgGVsk1B+iWo/3y9Z4QFXFb2tW1wWvDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:30:44.161526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034195
observed 23a07dec98f2a032ae230c5a20bb8a02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:44.139051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034195/manifest.json
observed 1bd87ff194c54110375892b6b0fbdddc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:44.117915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034195/publication.md
observed 52d198c67b783a9ba1512d09a59bb45d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:44.098747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034195/publication.txt
observed 4dfce40a3c84c137c9a4df8f496a98e4...
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.