OpenTechnical

OT-2026-000006793

Publication integrity record

Vacuum cup gripper, two stage ejector, pressure verified at each zone, rubber 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-2026-000006793) never changes.

Identity and time

Publication numberOT-2026-000006793 · never reused
Internal UUID01a0a967-9691-7f1a-a996-b3f1388c35f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:48:53.396048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006793
StatusPUBLIC

Content hashes

Canonical text923c5d86cd404c7414d303bca583a0ef67882c233d7a3331b2930c98a68c14dc
Markdown342f907e374168a914228cc88eaa03c4abf42b4b2e740fb8af04f18b11eb399b
PDF
Publication page48b878cafbff44c191585f973b66487adcedc7f2baf206c9cb49331e8688de0c
Manifeste731a94f874fd50e375a2f861b4c0721a553c294e3a7fd69baf354168d13d379

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
SignatureJkxVe/KisB1jqbGBgPzyKpeKvRvZe9tBZhY/kcizbvyHXDasdUw38/7rMvRM2mm58fniOJGYdEyHbXSXhitbAw==
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

2026-09-16T08:50:05.740811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006793
observed 48b878cafbff44c191585f973b66487a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:05.728325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006793/manifest.json
observed e731a94f874fd50e375a2f861b4c0721...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:05.713163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006793/publication.md
observed 342f907e374168a914228cc88eaa03c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:05.699122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006793/publication.txt
observed 923c5d86cd404c7414d303bca583a0ef...
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.