OpenTechnical

OT-2026-000010888

Publication integrity record

Single cup vacuum gripper, single stage ejector, vented after 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-2026-000010888) never changes.

Identity and time

Publication numberOT-2026-000010888 · never reused
Internal UUID01a0ae6c-540d-757f-8750-64b83a654d7f · 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-2026-000010888
StatusPUBLIC

Content hashes

Canonical text3ac5d17e700a2274f541d093d372f2870e548fad188921330d5191837ca511d0
Markdowndd5ae73c292b9854289735d097df8661bac797fb87b5865b9831403af1985281
PDF
Publication page1ea5f7ac37c44f37add051b11937f7ae21bbbfa03570eacb129c93574608ba56
Manifest0014d426586f89bc90990c61015e90012c298ef9e1abb5f093dd6f2b9d8e28df

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
SignatureLkyBnmDJ8Kp2XygDxlM14khfYFOSaNSHxsj9Tz8mXbmGQKPyL0i4z328gt4v7Js5QHXe9bcbh44YoIftfQ7cAw==
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

2026-09-17T12:13:39.330847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010888
observed 1ea5f7ac37c44f37add051b11937f7ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:39.309939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010888/manifest.json
observed 0014d426586f89bc90990c61015e9001...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:39.289796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010888/publication.md
observed dd5ae73c292b9854289735d097df8661...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:39.268809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010888/publication.txt
observed 3ac5d17e700a2274f541d093d372f287...
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.