OpenTechnical

OT-2026-000102097

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, pulsed blow-off after set-down

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-2026-000102097) never changes.

Identity and time

Publication numberOT-2026-000102097 · never reused
Internal UUID01a0aea4-50f2-7ca9-bd2b-45a04f791db5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102097
StatusPUBLIC

Content hashes

Canonical text444bdf6d94fce8941f84d2ccfc7381e99ba80c318b0d03f1c5ea7249343752f0
Markdown652922aeccb9c62cf9fb8b8f6bdaa739718a88704e1b20b628e03278776181f8
PDF
Publication page45fbff7f0b641123d5094eb5218fb98ed03e36cc1ced2d3f7c21416a4c32d5be
Manifest8110dff807f7500db96de0d76c4d985589f488c6b399a97ff82ba2794148b88e

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
SignatureupubErYt2HENRgPngq1y2d1iRxdNExe4wlQvg80+eRyWr7Kq7SGO0bKDuxjCq76hGfM0IkFguxzCOPHEAjcbAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:14.708424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102097
observed 45fbff7f0b641123d5094eb5218fb98e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:14.691121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102097/manifest.json
observed 8110dff807f7500db96de0d76c4d9855...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:14.671639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102097/publication.md
observed 652922aeccb9c62cf9fb8b8f6bdaa739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:14.650514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102097/publication.txt
observed 444bdf6d94fce8941f84d2ccfc7381e9...
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.