OpenTechnical

OT-2026-000064812

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump 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-2026-000064812) never changes.

Identity and time

Publication numberOT-2026-000064812 · never reused
Internal UUID01a0ae8d-debb-7f49-b135-4b72d3e53ed2 · 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-2026-000064812
StatusPUBLIC

Content hashes

Canonical text6e7f01435e59f293a84860faf8ff56024afc3248a5db0aab76c16bb28ea40bdf
Markdown537864b02f131e40970cfea3190d1f0e7f4e61600547d3bcd2d153a28173c01a
PDF
Publication page7133de5777337c47dbdf629578fd3a3b38a03733668f75cd50b4af679b579e57
Manifestc145afe598c5f463fdaec7ba0110c46ebf9ccc49d017bad707c419930a6e203f

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
SignatureC/zKxWXFthHUX4dnuRdW2NG83Uj1ORD9FEVL3g7lxfWGeIxm7EJzoVS2mEGvCbjswd6dgKUhJKQ/dCJnEpozAw==
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

2026-09-17T10:35:42.943378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064812
observed 7133de5777337c47dbdf629578fd3a3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:42.927315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064812/manifest.json
observed c145afe598c5f463fdaec7ba0110c46e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:42.910106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064812/publication.md
observed 537864b02f131e40970cfea3190d1f0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:42.892167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064812/publication.txt
observed 6e7f01435e59f293a84860faf8ff5602...
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.