OpenTechnical

OT-2026-000012163

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two 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-2026-000012163) never changes.

Identity and time

Publication numberOT-2026-000012163 · never reused
Internal UUID01a0ae6d-39f4-71ff-b9c6-5209c8ae1509 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012163
StatusPUBLIC

Content hashes

Canonical text0d71e23ae932991466229442e8ca887d088fa32a758cda945d8f8be158ffe1c0
Markdownd1c9661b96adf83f516e5f878f1a8916106ab9e1e8594a7c8e82b60b6951b738
PDF
Publication page64b1ece2ab2986e8f8af5a3bb14bb8f921c4dd9154755560994a714642a9f4d2
Manifest2f62503deb5272ada0131d5c37740ea84cd7fd2ef0b1ea8b176d4ea12546df48

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
Signatureea9H2Nd6esZVZ27pGQBfcqhbT09KunJiULRKAZndyG/BZIrC0jWqlebCC/z43TeKRCfJ/3YPEHMHoZk2zIAGBA==
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

2026-09-17T12:11:03.696056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012163
observed 64b1ece2ab2986e8f8af5a3bb14bb8f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:03.677210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012163/manifest.json
observed 2f62503deb5272ada0131d5c37740ea8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:03.656964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012163/publication.md
observed d1c9661b96adf83f516e5f878f1a8916...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:03.637926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012163/publication.txt
observed 0d71e23ae932991466229442e8ca887d...
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.