OpenTechnical

OT-2026-000064073

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000064073) never changes.

Identity and time

Publication numberOT-2026-000064073 · never reused
Internal UUID01a0ae8d-53be-7b0c-9ee0-dedb71fbb001 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064073
StatusPUBLIC

Content hashes

Canonical textde7ae383aeedccb78bbe5cdb14e2dd3917190f86b7e327b3ef441f46088788a7
Markdown15145036c36c78d0f6198438540944e46a0ab0c75319cca37c544026a6d51fac
PDF
Publication page22700828ec2147b94fa5bef8490502e136ff766a689f245a11e9f682ff679b87
Manifest8a0ab607c565b0f62b37ae8a8fc8aec0ac4c93dc7dfe21e30ba79b43177ee3d7

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
Signature6EyP+qLziLxOGltAEACy1FXJD5pSPs2f76BGZuaEed5+ziIQQdlLiXrY3D8ONDnTi2++d9lMnWsLn+M7wmjICA==
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

2026-09-17T10:37:10.521190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064073
observed 22700828ec2147b94fa5bef8490502e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:10.496222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064073/manifest.json
observed 8a0ab607c565b0f62b37ae8a8fc8aec0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:10.467510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064073/publication.md
observed 15145036c36c78d0f6198438540944e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:10.436790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064073/publication.txt
observed de7ae383aeedccb78bbe5cdb14e2dd39...
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.