OpenTechnical

OT-2026-000071641

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000071641) never changes.

Identity and time

Publication numberOT-2026-000071641 · never reused
Internal UUID01a0ae92-1e90-7c7e-b9d0-4c3f94bbfb15 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071641
StatusPUBLIC

Content hashes

Canonical text4fa5ffb9ac099effe2e40aadf99c0ac8288b83fe018243f295434d384ba1cab2
Markdown7f35738cd53dba1f7c50ed29868bd2e0c0e5910aff87c1e5b02050c7f65dc03b
PDF
Publication pageac4a300947ce6e0e6e57553a864f9805c49682388d9e9da1bb07bfef316b5194
Manifest07e3b9396b26919c6296160f2f95311a99df4d8d6e10ad51394995924a71df08

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
SignatureuburPtyH56oVxyrEIB21QnoodMuziWoNnkX7F1F6eFQ5IoSbpwiz15wPsFkpR+dqAtzfmhgLYPtTUts8OYrsDQ==
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

2026-09-17T10:23:40.506348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071641
observed ac4a300947ce6e0e6e57553a864f9805...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:40.489191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071641/manifest.json
observed 07e3b9396b26919c6296160f2f95311a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:40.471959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071641/publication.md
observed 7f35738cd53dba1f7c50ed29868bd2e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:40.455570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071641/publication.txt
observed 4fa5ffb9ac099effe2e40aadf99c0ac8...
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.