OpenTechnical

OT-2026-000007109

Publication integrity record

Vacuum cup gripper, four zone face, common isolation valve, ejector fed, silicone cups, oval form

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-2026-000007109) never changes.

Identity and time

Publication numberOT-2026-000007109 · never reused
Internal UUID01a0a973-037a-7d32-9c89-b68a638d31d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:01:22.172315Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007109
StatusPUBLIC

Content hashes

Canonical text428ed6a31c9f54f2358d75382d18ea5eea43368f9c6cc4bf0802105c35b37bc7
Markdownccb432fe1aacf4a4c45723875d631438378296d2973a4fbe7828fa86c7e4bc7a
PDF
Publication pagebbce252a792fd112941eb5aa4e486418a27d2f3f091063cb41cc500e95dd8dc1
Manifest362d369a0d1ef60a9bd992b339f07a02c0a62e7376a6cba9ca1f487254bcd4ba

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
SignaturenRTKoA+K1qXa9/7XTF5a4qkPoSB+NbBd3PllRfBCB4G6DrCnBdVo2A0zPKprNkmqfmQg3R0luF3ZODpXX8MvDQ==
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

2026-09-16T09:10:26.145370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007109
observed bbce252a792fd112941eb5aa4e486418...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:26.130832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007109/manifest.json
observed 362d369a0d1ef60a9bd992b339f07a02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:25.993958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007109/publication.md
observed ccb432fe1aacf4a4c45723875d631438...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:25.978918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007109/publication.txt
observed 428ed6a31c9f54f2358d75382d18ea5e...
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.