OpenTechnical

OT-2026-000062293

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two 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-2026-000062293) never changes.

Identity and time

Publication numberOT-2026-000062293 · never reused
Internal UUID01a0ae8c-0abe-7150-a353-ab08e57cbb9e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062293
StatusPUBLIC

Content hashes

Canonical textab490f1ad18ab56ea87686678b28b0a88c7a6787d7ec31b8691084ccd9f3d768
Markdown0111add49545bc3de4428c366dd2848c6d8156aa0bf06e147c7fc3cf40d6a8e1
PDF
Publication page4d2b0902e0be55d374c0582a261cea0e8f546044e0dd9d5d906e2019751fa357
Manifest845d606a6908604c1df78f4a164624d6d01377652378d71c4dd1bb2a7b65e461

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
SignatureIfbR5FAPfulOVhzuPV7/mvhsSx3lNH7+FXmEI6yeLIq9xQ/K8HsoGnp9haj9JF79oG25z52I9Q3uxfMFsED6BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:34.768380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062293
observed 4d2b0902e0be55d374c0582a261cea0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:34.749512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062293/manifest.json
observed 845d606a6908604c1df78f4a164624d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:34.730904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062293/publication.md
observed 0111add49545bc3de4428c366dd2848c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:34.712539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062293/publication.txt
observed ab490f1ad18ab56ea87686678b28b0a8...
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.