OpenTechnical

OT-2026-000030193

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000030193) never changes.

Identity and time

Publication numberOT-2026-000030193 · never reused
Internal UUID01a0ae73-e500-7454-a55d-cf76e4e060c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030193
StatusPUBLIC

Content hashes

Canonical text0cc66be46a93293a3a86f12f29c9c31192f2fdd37c0289ccc917354f22afed16
Markdownc3d8d86894da9465ae0dc9e84c88411492567252af410b10d03f00a82e2fc278
PDF
Publication pagecf283714182dd4085573b3cb91f6b12a127adec3e995e9fba140fd18fdd7f2c1
Manifestb5518f77d01c4910136bed51d2dcf8b0a6e4e6fc880ab322b6acff6e2bf00d31

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
Signaturei+c98ZCl0i4Bnz4F1HST7ZQ4Uu26FhpnCnQ5t7sXQ/5gAZ/LNAzZLR+RyQzISIcQjP/RHHmF65H2Bto3AkqdBw==
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

2026-09-17T11:40:33.630821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030193
observed cf283714182dd4085573b3cb91f6b12a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:33.610949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030193/manifest.json
observed b5518f77d01c4910136bed51d2dcf8b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:33.587395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030193/publication.md
observed c3d8d86894da9465ae0dc9e84c884114...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:33.571117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030193/publication.txt
observed 0cc66be46a93293a3a86f12f29c9c311...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:49.983080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030193
observed cf283714182dd4085573b3cb91f6b12a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:49.961242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030193/manifest.json
observed b5518f77d01c4910136bed51d2dcf8b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:49.943407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030193/publication.md
observed c3d8d86894da9465ae0dc9e84c884114...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:49.916464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030193/publication.txt
observed 0cc66be46a93293a3a86f12f29c9c311...
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.