OpenTechnical

OT-2026-000026391

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, three stage ejector, 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-2026-000026391) never changes.

Identity and time

Publication numberOT-2026-000026391 · never reused
Internal UUID01a0ae71-f4a7-7d93-bd51-64e2ca141cb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026391
StatusPUBLIC

Content hashes

Canonical textdf914e90c0ea0a2556c3d3ee67b8bd63cdb93a146a3a8a151dbe004237d2d051
Markdown43ca016d15c73298c7fb49c6ee767bc6cfedf22e851b6d3383710716f5186693
PDF
Publication page5a0f1ba1b9e89b90abe301268fed2cbc81d6c5fed9a8b9042ea88b3f8ce9101f
Manifest03073881bf251c4ca95e23c024e6ef3ec982203efc9a5a00b254b6361aff9d99

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
Signature1y44RQ2VbdXQLepsU2dWT0Oa0Ho9lCc1dMc71eHz1vZ5dnMUQAbzf6y9gWkfoULOyw3yyFtVlKMvm4mhSJNIBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:44:22.459380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026391
observed 5a0f1ba1b9e89b90abe301268fed2cbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:22.444033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026391/manifest.json
observed 03073881bf251c4ca95e23c024e6ef3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:22.426997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026391/publication.md
observed 43ca016d15c73298c7fb49c6ee767bc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:22.408221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026391/publication.txt
observed df914e90c0ea0a2556c3d3ee67b8bd63...
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.