OpenTechnical

OT-2026-000050141

Publication integrity record

Single cup vacuum gripper, three 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-2026-000050141) never changes.

Identity and time

Publication numberOT-2026-000050141 · never reused
Internal UUID01a0ae82-5c45-78aa-afc0-35c220a1240a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050141
StatusPUBLIC

Content hashes

Canonical text6901587c751d1b22434ad4291a7db960c9ff5b3760a725900aa6082a5a06f921
Markdowna7eab78418fafb371a93c23198f45fb4a2134c30ac0fee4b3655e1dae3842a79
PDF
Publication page06c3198cb17598e50e252bbabe113e8f75b23d9cd9d2616be9c523d69f8ad984
Manifest9781d64bd96c239437d564eb966394c7d369b94b4a3605f137931991211655d0

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
SignatureLfheemwTNFEj0zqrP9EFSF4Gylc+daW7WxYAtijDA3bTCKKVET1tThOG1c7OHFIDpjcEs4wTgzTKr1hEhglTAA==
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

2026-09-17T11:01:06.703120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050141
observed 06c3198cb17598e50e252bbabe113e8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:06.685852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050141/manifest.json
observed 9781d64bd96c239437d564eb966394c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:06.668596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050141/publication.md
observed a7eab78418fafb371a93c23198f45fb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:06.649105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050141/publication.txt
observed 6901587c751d1b22434ad4291a7db960...
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.