OpenTechnical

OT-2026-000006175

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, ejector fed, pressure verified, contact triggered, plastic 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-2026-000006175) never changes.

Identity and time

Publication numberOT-2026-000006175 · never reused
Internal UUID01a0a951-e3d9-7a67-aa38-bc92a1a6b16a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:25:11.389453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006175
StatusPUBLIC

Content hashes

Canonical text7caa7ac84fef935d6227ce13365b7a2dc2b28e40fd301f321c622345b7579f1d
Markdown8594ce3dcb55985efe49d7f35fd32dc9b1b1fe1716003d641ff25786ef52aeb2
PDF
Publication pagec6b507e5cacd055a40a80e6a7e4efbdeaa2cc2492973f7bd00bda5bd23c7fa9c
Manifest1635a2c022c68ef4e6c6ba728bdf83fbe53d34bbb8fecc7495005a14c0ab39f2

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
SignatureeWMVVcs4xr/IlFDx9aKc99ZeR4XzG85VBiOgH4XlZXIiKPqCNdMFxY5I43wgHtY0HJ2Y02Jdb2tSdr4ioSKMCw==
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

2026-09-16T08:30:19.139011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006175
observed c6b507e5cacd055a40a80e6a7e4efbde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:19.124865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006175/manifest.json
observed 1635a2c022c68ef4e6c6ba728bdf83fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:18.986394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006175/publication.md
observed 8594ce3dcb55985efe49d7f35fd32dc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:18.971619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006175/publication.txt
observed 7caa7ac84fef935d6227ce13365b7a2d...
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.