OpenTechnical

OT-2026-000006559

Publication integrity record

Bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, contact triggered

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-2026-000006559) never changes.

Identity and time

Publication numberOT-2026-000006559 · never reused
Internal UUID01a0a95f-6927-7016-b855-2297e17b8a48 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:39:57.483085Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006559
StatusPUBLIC

Content hashes

Canonical textea5e9248c05cffe4b1e7a00cc2a47109c4ca802fac42b37af7b0a0fe278bb983
Markdownc524fed5b3d194119de79489b1dc2bca613f17e712c60a66ef301e4857686b5b
PDF
Publication page65c5e713604ca6249b7bcb38d5da3d88449d5584af5a98738f65761d1dbeca5c
Manifestad6b4d152224cca4c558ea5ba770c687a9ca3356afd572e6b66b7e57e15e6d60

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
SignaturejP5CBi24BMcL1e2/IQtfu+9BiZWFf7VLHiBhmBTMpkWsvpEIEyLMk7/xX5V5T1WLHZ2qgQF/ezijDygl7NbZCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:02.954115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006559
observed 65c5e713604ca6249b7bcb38d5da3d88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:02.935595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006559/manifest.json
observed ad6b4d152224cca4c558ea5ba770c687...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:02.911694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006559/publication.md
observed c524fed5b3d194119de79489b1dc2bca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:02.884251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006559/publication.txt
observed ea5e9248c05cffe4b1e7a00cc2a47109...
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.