OpenTechnical

OT-2026-000075141

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, manifold 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-2026-000075141) never changes.

Identity and time

Publication numberOT-2026-000075141 · never reused
Internal UUID01a0ae93-f1ff-7e99-a6aa-2e7b0fbc9054 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075141
StatusPUBLIC

Content hashes

Canonical text00d0bdf18e5afcf5b119c2bad6b70573264ad6f6680b7369ac463b3b2bdd5e4a
Markdown7157bf62c4c7504b06bfb01653cab20b9debf475f433357dd432c4dd1a9f0c50
PDF
Publication pagea228d5f37601aae2571cb0fc3680d321b7eeea8f8c629f4ff5d9202c8c2a179e
Manifestc3483e6445c2e5e19ac6ec0eff10d2aca7678fea3c545bbaff936c40005652b0

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
SignatureJwpeBwMlRiQfWeDlAR3eucwyCY4hrHdVHS/HGX58eKDlkRGzmK7kzxWDIQqbKY83RiO/CzkfXgdare/b/RrsCw==
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

2026-09-17T10:20:22.338096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075141
observed a228d5f37601aae2571cb0fc3680d321...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:22.315854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075141/manifest.json
observed c3483e6445c2e5e19ac6ec0eff10d2ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:22.290750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075141/publication.md
observed 7157bf62c4c7504b06bfb01653cab20b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:22.268031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075141/publication.txt
observed 00d0bdf18e5afcf5b119c2bad6b70573...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:26.224390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075141
observed a228d5f37601aae2571cb0fc3680d321...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:26.204146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075141/manifest.json
observed c3483e6445c2e5e19ac6ec0eff10d2ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:26.065714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075141/publication.md
observed 7157bf62c4c7504b06bfb01653cab20b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:26.047936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075141/publication.txt
observed 00d0bdf18e5afcf5b119c2bad6b70573...
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.