OpenTechnical

OT-2026-000061688

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000061688) never changes.

Identity and time

Publication numberOT-2026-000061688 · never reused
Internal UUID01a0ae8b-b8aa-7392-96a9-85e33419e9e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061688
StatusPUBLIC

Content hashes

Canonical texta7c22112d47d1dcc93f52f89bb5aa399f31f5ff41b4e51f4a71d2bf7f04cee5b
Markdown2a3ff729f25d92bbe86dea76f7174d1ba1944246548e1b22b224d6ef2441c5a1
PDF
Publication page2d2aadd70e78e56f50e03794a2628c92f6a0ac40bfa7d7344e12e09b94573a6f
Manifest753f468698a2de40a1cf1e9a88045fe9e291363c86297eb80936c52a18560cb3

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
Signature1F0jS9jMJU3kkkPSADi1nEzA+ngBvjvtITEf+jf8ubNt8rwJpyJgzUiGFRbMJ4pfmFVlAw2GHcfBOgpstABrCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:14.946306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061688
observed 2d2aadd70e78e56f50e03794a2628c92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:14.925898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061688/manifest.json
observed 753f468698a2de40a1cf1e9a88045fe9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:14.904598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061688/publication.md
observed 2a3ff729f25d92bbe86dea76f7174d1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:14.883060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061688/publication.txt
observed a7c22112d47d1dcc93f52f89bb5aa399...
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.