OpenTechnical

OT-2026-000007382

Publication integrity record

Vacuum cup gripper, two zone face, two outlet manifold, pump fed, pressure verified, rubber cups

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-2026-000007382) never changes.

Identity and time

Publication numberOT-2026-000007382 · never reused
Internal UUID01a0a97c-ca7c-76d1-998b-64c789334fb0 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:12:02.943162Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007382
StatusPUBLIC

Content hashes

Canonical textfefc3ac1ab99d20f3d532ce0ab5942fc19bd41735669c750bffdb647e322576d
Markdown44d03e75e8fd8bcf8e915b802a7f8de2ee6cbc9005d909fa66f4f53d16b9eaf8
PDF
Publication page1854eb4974811e695b7d7c568cbf0af6ec35480425223a2f37a1feaa507a89de
Manifestf97f99fce9dabbd01fe88c4e1c73dfa34745811276edfc3a8be0e705ffc4d7fa

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
Signature/64Zmhur2sCMY/El+MWRU6LiKw3zzf9PPxr7AeAxUAxWl6i1nWzWGpMDHnaWxzulZ6D0w80nk+4JJCuJ1BM6BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:08.526081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007382
observed 1854eb4974811e695b7d7c568cbf0af6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:08.513279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007382/manifest.json
observed f97f99fce9dabbd01fe88c4e1c73dfa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:08.500698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007382/publication.md
observed 44d03e75e8fd8bcf8e915b802a7f8de2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:08.487901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007382/publication.txt
observed fefc3ac1ab99d20f3d532ce0ab5942fc...
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.