OpenTechnical

OT-2026-000006115

Publication integrity record

Porous face vacuum gripper, per zone isolation, two stage ejector, open cell

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-2026-000006115) never changes.

Identity and time

Publication numberOT-2026-000006115 · never reused
Internal UUID01a0a94f-d192-762a-99b8-4b32793a7c96 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:22:55.636883Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006115
StatusPUBLIC

Content hashes

Canonical text7857eec8179aad991182bd6c2484a1e1894c40a2110e7f28205fc4ec9582800f
Markdown4bebb116f4f375868234d0cc3f0c42bcb1cd4b49859ff5e1ef08f179ecd89ffc
PDF
Publication pagea0a997390e6398acf05f0eaa86c8ab24aef9e21ea0fc43f308d79478ecdd50e4
Manifest0db4ec3e38d5cd747e03db0a14380c0b4081c186622e03ba683b2dc2dfb9caee

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
SignatureScOmANvZfdi9fpZ5n07gVTMG77hgkfJGcGFXHVIZOlGOr6mKpnTOsL/AR9oP07KLcrNHs5Pza1UYeRbLxMnsCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:25.746028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006115
observed a0a997390e6398acf05f0eaa86c8ab24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:25.732519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006115/manifest.json
observed 0db4ec3e38d5cd747e03db0a14380c0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:25.719763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006115/publication.md
observed 4bebb116f4f375868234d0cc3f0c42bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:25.705282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006115/publication.txt
observed 7857eec8179aad991182bd6c2484a1e1...
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.