OpenTechnical

OT-2026-000064281

Publication integrity record

Three cup vacuum gripper, three outlet manifold, 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-2026-000064281) never changes.

Identity and time

Publication numberOT-2026-000064281 · never reused
Internal UUID01a0ae8d-a460-7dbb-b155-caee29654fe9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064281
StatusPUBLIC

Content hashes

Canonical text1a3af0d58045645cbf2cf1ce23cf14c85209e57eec530642d6d66d36bbc74cf5
Markdown279a329cb855e5f2f54efaf601edbd61ae57968909b8127b36e47eea3e7c1412
PDF
Publication pagea665d98db48e1f7434661e1481bdf6ff5919c08e4d284f896e19c3edd593efb0
Manifest542f138eb54a5885b4a41455870675a9b66808904fa5bb80925996d1111ad8f3

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/PSQ1D9fLMPaaBddvfrFMXBXLuCO6pHavM8p9reJzacVMYS8N8oT6GmNaml2/+8GN3yPQYyEJJEh170LRVH/Bw==
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

2026-09-17T10:36:25.288796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064281
observed a665d98db48e1f7434661e1481bdf6ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:25.271624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064281/manifest.json
observed 542f138eb54a5885b4a41455870675a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:25.252740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064281/publication.md
observed 279a329cb855e5f2f54efaf601edbd61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:25.209652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064281/publication.txt
observed 1a3af0d58045645cbf2cf1ce23cf14c8...
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.