OpenTechnical

OT-2026-000091783

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000091783) never changes.

Identity and time

Publication numberOT-2026-000091783 · never reused
Internal UUID01a0ae9d-43b9-7c41-a7be-5157c576fb59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091783
StatusPUBLIC

Content hashes

Canonical text3e95431ff7fb152a516c00a90e1ef562442c97dfb74ecf0b25480a042aea7935
Markdowned9a4ea6c4b8322b404b55728a9e7ec17be274a733c96b8ea1c5948a786ea967
PDF
Publication page2b861d946193702914293e95e86a61d54e81ffce024d8fe3f574a16e3ae136cb
Manifest56dc0a70a788975a768ea700716abddadb8ddf1803f783333e22ef038cea7121

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
SignaturemwEOCeZsQMkl7gwzEwjdvBEVBzpXoxEsK39f7yOZMBGmyLYo/ajzh5tnw3dewVMxehS2I0xLJYeHgnnWJcG7Bw==
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

2026-09-17T09:42:40.830908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091783
observed 2b861d946193702914293e95e86a61d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:40.814007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091783/manifest.json
observed 56dc0a70a788975a768ea700716abdda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:40.797703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091783/publication.md
observed ed9a4ea6c4b8322b404b55728a9e7ec1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:40.780763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091783/publication.txt
observed 3e95431ff7fb152a516c00a90e1ef562...
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.