OpenTechnical

OT-2026-000082093

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000082093) never changes.

Identity and time

Publication numberOT-2026-000082093 · never reused
Internal UUID01a0ae97-4d93-7b41-8c72-33f7a7a33bba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082093
StatusPUBLIC

Content hashes

Canonical textd666e86d826a40d9bfe3353f2da7ea8e68edf6d5c57ea7b39743b462e25cbea3
Markdown830dd9da9da79acba63847e53c126d9c58b9a6944f7a856a1ec0adc839273698
PDF
Publication pagef643250228ec7afa9348007567ba2eca8889fbdebbee8d9d4f6cc537562371c5
Manifest86a1726976a9775cd6d6e5517c30174112267705607e07e3d12d01580989a79e

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
SignatureXi1w/hj2KfVnf8fKugJY3cHjo5RJTeWYhUZKbKSmCNrraI6bdn8cJyT5TE/dFdYbDcpnFdmGiny3t1wVY26eDw==
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

2026-09-17T09:58:54.026916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082093
observed f643250228ec7afa9348007567ba2eca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:54.009586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082093/manifest.json
observed 86a1726976a9775cd6d6e5517c301741...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:53.991955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082093/publication.md
observed 830dd9da9da79acba63847e53c126d9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:53.975945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082093/publication.txt
observed d666e86d826a40d9bfe3353f2da7ea8e...
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.