OpenTechnical

OT-2026-000007120

Publication integrity record

Bellows cup vacuum gripper, two stage ejector, vented after set down, plastic cups, 1 fold

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-2026-000007120) never changes.

Identity and time

Publication numberOT-2026-000007120 · never reused
Internal UUID01a0a973-6605-7e80-933c-c2b6a4ea303e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:01:47.400945Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007120
StatusPUBLIC

Content hashes

Canonical textf5723cfc14e31753300687700dea86bb3143fafcecfb9f08712a25ac8b5c800b
Markdownda50c1dc2bbf91427ffaff7da64fbc23ecc980d179985ee8bafd05e275b280ca
PDF
Publication pagea1648359aedcf362a4234926561a34b516e67d989ea05695ad92b44c52db8f6a
Manifest183e19c0d6db369db5fcedf3b6ac9386d47eb029ad3ecf7362894f13a5f097a0

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
SignaturebOfhmce26NTd7/iObegu6tEr+GqKnxE5K5TNuSRMIe0KXZCoPbCLFrgoqKTclRpN9CAxEzrZ8Ah7xjvI5rJ9Dg==
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

2026-09-16T09:10:24.880869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007120
observed a1648359aedcf362a4234926561a34b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:24.743272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007120/manifest.json
observed 183e19c0d6db369db5fcedf3b6ac9386...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:24.728894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007120/publication.md
observed da50c1dc2bbf91427ffaff7da64fbc23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:24.715773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007120/publication.txt
observed f5723cfc14e31753300687700dea86bb...
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.