OpenTechnical

OT-2026-000018275

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, 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-2026-000018275) never changes.

Identity and time

Publication numberOT-2026-000018275 · never reused
Internal UUID01a0ae6e-b488-7b57-a31e-dd7f99d20b84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018275
StatusPUBLIC

Content hashes

Canonical textc6b61d66ef98169bb68e16d217221a13c7c5a23a29744ba9b8e5707ea20251e0
Markdown90d961fa83d6ba1ed3f7cdebf78f10d4ccad9a27db59139e8762bd5a9dcb3dd4
PDF
Publication page1c32bafcaae23d62573e0e8d1c18b3c35ada11f144c475f62a806c6e80814a72
Manifest83cdb245a5fa7bc2dab81a94b34b7701f2f16d89095000ba2bab9f0645fefd97

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
SignaturehPEFh/WlaEAww8A0QqdkclGGDJR5iBAd7M7zRUWA010vEOIJMK3PxNgs7uZUQUDnJYuu1OpVAbsf/NyHC3FuAg==
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

2026-09-17T12:00:07.581663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018275
observed 1c32bafcaae23d62573e0e8d1c18b3c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:07.560100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018275/manifest.json
observed 83cdb245a5fa7bc2dab81a94b34b7701...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:07.534354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018275/publication.md
observed 90d961fa83d6ba1ed3f7cdebf78f10d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:07.504970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018275/publication.txt
observed c6b61d66ef98169bb68e16d217221a13...
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.