OpenTechnical

OT-2026-000101176

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000101176) never changes.

Identity and time

Publication numberOT-2026-000101176 · never reused
Internal UUID01a0aea3-c378-7639-b765-cc2c6f8a75e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101176
StatusPUBLIC

Content hashes

Canonical textccbd583c754c0c4586983b5b1351630b984484c863a9193df5aff67b0cae952b
Markdownec17986a21886e7137a5655bc555323dac2b45ae8aa724a43437bae9c057d971
PDF
Publication pagea72b4dd16429fc7d98535d7443c6487f1f28f91110de80155027fcea6b2897ac
Manifest1495886d95f8073c73aae54acac35b4008b7850969e7c06ae665d10de068c411

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
SignaturegSTv3ZxAviw6oxMTjHxjUeRnbCYLUyHe0Wh/lmXFga1XtllbNUCRnXwnisv10pQDwn8+8pFVBE+g3QJq8xbXDw==
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

2026-09-17T09:26:49.237891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101176
observed a72b4dd16429fc7d98535d7443c6487f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:49.221013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101176/manifest.json
observed 1495886d95f8073c73aae54acac35b40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:49.202237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101176/publication.md
observed ec17986a21886e7137a5655bc555323d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:49.184568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101176/publication.txt
observed ccbd583c754c0c4586983b5b1351630b...
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.