OpenTechnical

OT-2026-000071147

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum fed, 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-2026-000071147) never changes.

Identity and time

Publication numberOT-2026-000071147 · never reused
Internal UUID01a0ae91-e0eb-748a-ad80-e7d28d16c787 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071147
StatusPUBLIC

Content hashes

Canonical textb8acacf40287cb4e6e1fe6d1c045683ebd73f2a1a36bc214776538873cb83ef9
Markdownf8ac8208e692c46c4d95151539f04c7497f9a0a3f843b1c9d6aceea6925d983e
PDF
Publication page50fd4834dca3e38179de9930c9d86e1b89b4b36c09f34db5fd985b9bd15c7ca7
Manifestc19e1ca5f951f18b061deef5d6b3e6315ff64efdf678f115827f5c96baba1d97

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
SignatureOhKJEEiZo/H+nU8hF9Z2N1CBcFlCAhorQm26wEx5/zhTCyMLTGu5lNJMeS2Pn+UEN+7AZHa27E6XrqTkTNdUDA==
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

2026-09-17T10:24:39.117191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071147
observed 50fd4834dca3e38179de9930c9d86e1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:39.100461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071147/manifest.json
observed c19e1ca5f951f18b061deef5d6b3e631...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:39.082813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071147/publication.md
observed f8ac8208e692c46c4d95151539f04c74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:39.065932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071147/publication.txt
observed b8acacf40287cb4e6e1fe6d1c045683e...
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.