OpenTechnical

OT-2026-000007193

Publication integrity record

Vacuum cup gripper, common isolation valve, four outlet manifold, plant vacuum fed, silicone 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-2026-000007193) never changes.

Identity and time

Publication numberOT-2026-000007193 · never reused
Internal UUID01a0a976-0c25-7e91-bc12-2c7c7225d5a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:04:41.000196Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007193
StatusPUBLIC

Content hashes

Canonical text617732caeceec9f2aebe7817f550625c2edc5f528232b58b2b11743d10e9d6d1
Markdownf8795670e1ae0fd4fff274c9d9df5aa5f3a7c6149bef7a2e20e097ec055e8756
PDF
Publication page9356df753ecbbfe5f79ac2c97c0ee4e6afbd48f1383d602e2a2eb5c7192577e1
Manifestbf2563df6e3dcef7dd8095e08782abfa54a3ee8def96ff610e7d6006fcc6cd1f

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
SignatureHXBvd4kKzlgEbUsq/MnlihcA/94wAnRBRBCOmhBZLRwz2CKO1u/+7K2vd5sSzOyo0SaBDddW4VnXHKsRFXzADA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:17.253618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007193
observed 9356df753ecbbfe5f79ac2c97c0ee4e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:17.242047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007193/manifest.json
observed bf2563df6e3dcef7dd8095e08782abfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:17.229382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007193/publication.md
observed f8795670e1ae0fd4fff274c9d9df5aa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:17.217118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007193/publication.txt
observed 617732caeceec9f2aebe7817f550625c...
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.