OpenTechnical

OT-2026-000029247

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three 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-2026-000029247) never changes.

Identity and time

Publication numberOT-2026-000029247 · never reused
Internal UUID01a0ae73-2aa1-7683-9d45-7fe937b80ed2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029247
StatusPUBLIC

Content hashes

Canonical text417934d436e179fe155d9483d94d406b06a09d2a24022cd1ed786903d0858297
Markdownba29d1034ba316b3c77b7386343dafb817af837c49e73b848f16c397797b0c83
PDF
Publication page7dcce605443ffef6df9aab1ec16af39623eb7a321091f06432245c8f7cda7fee
Manifeste9a599e9bf590227e995f7709ab66a6d6a679f142a681a907836a78b40b12779

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/R+RjaoefnafYjyPXI1HsIE8MflhXGnHlQyWdeuoV1KSWCJAXadL2QbzhffOsgobR9trERYZV40ltTLK4ZBTBg==
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

2026-09-17T11:39:52.474200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029247
observed 7dcce605443ffef6df9aab1ec16af396...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:52.456902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029247/manifest.json
observed e9a599e9bf590227e995f7709ab66a6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:52.437513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029247/publication.md
observed ba29d1034ba316b3c77b7386343dafb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:52.416905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029247/publication.txt
observed 417934d436e179fe155d9483d94d406b...
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.