OpenTechnical

OT-2026-000006895

Publication integrity record

Vacuum cup gripper, common isolation valve, ejector fed, pressure verified, contact triggered, 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-2026-000006895) never changes.

Identity and time

Publication numberOT-2026-000006895 · never reused
Internal UUID01a0a96b-25a5-744f-824e-5064f6f90418 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:52:46.632571Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006895
StatusPUBLIC

Content hashes

Canonical text00178b1d8d8972551b2a74a1a2e48b237565f6cb71a60c86a4dc6d9859895f1d
Markdowna3e5d550bbd6d2843d01aa155a80061976cbcefc2592c0fec10c0bdf8c19b638
PDF
Publication page8a3b553eb57679a7839e4ae645baed3e2ca76654dd393009beba16b6f75dc832
Manifest70feaee1e73d710446bacadc66defced90df6c3e9fe21e4f978312c67af498e2

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
Signaturel1JWvXwhEB5rjepcuuvVDtaFmq6l0nU7UoWBqIy2Y4rkaFDqktOCcPESCO/WgkFb1FukuNdrdd64yPrKexjwBg==
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

2026-09-16T09:00:24.634889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006895
observed 8a3b553eb57679a7839e4ae645baed3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:24.495469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006895/manifest.json
observed 70feaee1e73d710446bacadc66defced...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:24.482550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006895/publication.md
observed a3e5d550bbd6d2843d01aa155a800619...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:24.467581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006895/publication.txt
observed 00178b1d8d8972551b2a74a1a2e48b23...
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.