OpenTechnical

OT-2026-000064684

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000064684) never changes.

Identity and time

Publication numberOT-2026-000064684 · never reused
Internal UUID01a0ae8d-deb9-7e08-839f-acf5d850804e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064684
StatusPUBLIC

Content hashes

Canonical text921fbbe2ecea89a34f8682b5c70c6ce1e63ab405bec576becd8ba5c660cee265
Markdown3b172d3f8ad79a645880a81be9962ef821dcab31793654c634f6147986ca63de
PDF
Publication page0841c79291aaf81e6c356156aaf902b7aba38272ac037738185cde914fc93004
Manifest6abb9c4d738d9101c740ccec9cb9a07017b2871b185599920f97647b1d29a7d8

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
Signature1oXEFm4yUWPe14ruyQ8xwYrt29Q069plwNfXuQ8zxVqkSnC8WF98YD4qq7atZT/i0yFVvh6ZwM3pCpNcC7ViCw==
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

2026-09-17T10:35:28.852408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064684
observed 0841c79291aaf81e6c356156aaf902b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:28.835786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064684/manifest.json
observed 6abb9c4d738d9101c740ccec9cb9a070...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:28.817491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064684/publication.md
observed 3b172d3f8ad79a645880a81be9962ef8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:28.800124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064684/publication.txt
observed 921fbbe2ecea89a34f8682b5c70c6ce1...
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.