OpenTechnical

OT-2026-000011214

Publication integrity record

Single cup vacuum gripper, single stage ejector, vented 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-2026-000011214) never changes.

Identity and time

Publication numberOT-2026-000011214 · never reused
Internal UUID01a0ae6c-5410-74c4-8e98-6f781b8ceb23 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011214
StatusPUBLIC

Content hashes

Canonical text99386367961a4d6b00e4ed8a72f77956b3e06b02f1265f69cdbe75e296b50bd8
Markdowna0506142e24714569126d39067c17811fef29cdc806a70dcc1bdd107a0617f89
PDF
Publication pagedb470774458be3e1fa1299ab2926bdca393d96cbd883c35bd4a5e8fc9b3e86df
Manifest194ab495d345660e561a37edd4ec8a337bd71bd88632934b5f9f0057f93475c5

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
Signature/v5BiUDXyKDcTMt1Zhe5Sh+6LjTzTAwjCMuJEeshNYq4IYCe3pWb6m3lSO99rNKdL9gV8hc4c4OMhfQnQ5fGCQ==
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

2026-09-17T12:14:10.117049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011214
observed db470774458be3e1fa1299ab2926bdca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:10.096800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011214/manifest.json
observed 194ab495d345660e561a37edd4ec8a33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:10.074198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011214/publication.md
observed a0506142e24714569126d39067c17811...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:10.054325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011214/publication.txt
observed 99386367961a4d6b00e4ed8a72f77956...
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.