OpenTechnical

OT-2026-000049572

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, pulsed blow-off after set-down, on a tool changer

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-2026-000049572) never changes.

Identity and time

Publication numberOT-2026-000049572 · never reused
Internal UUID01a0ae81-8f7d-7afe-a298-0bf18a5d3af1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049572
StatusPUBLIC

Content hashes

Canonical texte08dc4fde960889e646e1f6b3c0a5a9e631c28eea3f4388f7c172798a2038f65
Markdowna97d926d3d9fd51185ad26a841afd71534b44e40f179001948614b5a01b4b18f
PDF
Publication page19abe0c5efe94f279d58b9781414d27cdcdc62cccec2d231560f5312798502cf
Manifestbb95329a4e8480189699910777c15897a6b9be01891adfab3337b3ed7ad0740e

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+S2u3GBxoMCjQQF8rQ33qXieIdysh9iYpvlW4kb/ms6vwlr83/TyP4fWy3g0aMCBy9Gx+0QPtDIZL/SDsQrvCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:02:32.461332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049572
observed 19abe0c5efe94f279d58b9781414d27c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:32.439427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049572/manifest.json
observed bb95329a4e8480189699910777c15897...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:32.416948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049572/publication.md
observed a97d926d3d9fd51185ad26a841afd715...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:32.390074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049572/publication.txt
observed e08dc4fde960889e646e1f6b3c0a5a9e...
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.