OpenTechnical

OT-2026-000099841

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, sustained blow-off 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-2026-000099841) never changes.

Identity and time

Publication numberOT-2026-000099841 · never reused
Internal UUID01a0aea3-1473-71f4-8ac8-473c2c70ca4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099841
StatusPUBLIC

Content hashes

Canonical textf4646b1e48ae1fd75576f9f5e4e8d66fc320a7291cf3f0f68e53633ebd382e03
Markdown08d2a884515cd7d961ce554a3df88fc3686963030c35fbf10ebb691ef06c43bd
PDF
Publication page5b8005ffa2720ed08149a2ce7746c3c61b8688aa1eccc16c845e98344748c2fd
Manifest66992a9d8fa3b60ded842a3f90ab739dabb9dbcde00c3399ffd097f713cd7980

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
SignatureD17Vq28tWHez2dVuk9KB44d0F1arAQ2Vx1q5VxeIK4WlNhOs7tewqR9vQ2cj7qxa0C9nEXy8RSg8z8wiB0m8Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:20.591757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099841
observed 5b8005ffa2720ed08149a2ce7746c3c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:20.573181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099841/manifest.json
observed 66992a9d8fa3b60ded842a3f90ab739d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:20.555562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099841/publication.md
observed 08d2a884515cd7d961ce554a3df88fc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:20.533316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099841/publication.txt
observed f4646b1e48ae1fd75576f9f5e4e8d66f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:42.673866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099841
observed 5b8005ffa2720ed08149a2ce7746c3c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:42.656154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099841/manifest.json
observed 66992a9d8fa3b60ded842a3f90ab739d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:42.636841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099841/publication.md
observed 08d2a884515cd7d961ce554a3df88fc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:42.617846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099841/publication.txt
observed f4646b1e48ae1fd75576f9f5e4e8d66f...
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.