OpenTechnical

OT-2026-000075560

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, vented before set-down

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-2026-000075560) never changes.

Identity and time

Publication numberOT-2026-000075560 · never reused
Internal UUID01a0ae94-29fc-79d6-8bf0-cbde00eb5415 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075560
StatusPUBLIC

Content hashes

Canonical text1714a0eb20db4b7efc839ac3ed765797bab96b9519a0b950ceaa5add77263956
Markdown46433b248214d21cd26200756fe14502d8fe6871a580c67a13f0d042f52c377f
PDF
Publication page93017a2f5c313fa37d37c8e2534d2802e5dfa8a604911b9b4c57de4184562d17
Manifestb8727a66959db2fcac3c34b22f34c94b5792b13a6504251f101734d6ada0f34f

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
Signature+uEs5ZIv7ITxAnk+7n31eA/W5Fqhjm5Ze5jrOwT2Eq5TfQJlEWCdBb6Aicg4IsXvKJ6TNgT4SuFHjNqgB7V1Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:13:07.723367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075560
observed 93017a2f5c313fa37d37c8e2534d2802...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:07.705374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075560/manifest.json
observed b8727a66959db2fcac3c34b22f34c94b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:07.563641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075560/publication.md
observed 46433b248214d21cd26200756fe14502...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:07.542502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075560/publication.txt
observed 1714a0eb20db4b7efc839ac3ed765797...
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.