OpenTechnical

OT-2026-000091861

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, three 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-2026-000091861) never changes.

Identity and time

Publication numberOT-2026-000091861 · never reused
Internal UUID01a0ae9d-43ba-7f5b-abd3-6f9066b5dc6e · 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-2026-000091861
StatusPUBLIC

Content hashes

Canonical text37a755b113ea2f66cbc714e0e27c7d55ace16bccc445ed5a3dbc1cd46943fddc
Markdown3a6389125b91081ffaec9516e79766c7bc86b478288eef49e2d5089f6e1489c4
PDF
Publication pagef1af5ab561f13b6e26e9b44336faee4cc902b99a1f73ffdd8b418ca8d57c8bc7
Manifest67ad87f69dc3fee3c636a1225e3d9fc94af459d045bb22f92fcbfe0741097d32

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
SignatureN/T3LbXygCoY13vrlximUVP/g8GiP0/6rZJwQRZD5wsoxUESEV//1Yx4L9HKvpitCg2weUDa3GlZOyANwe5YCA==
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

2026-09-17T16:42:15.273765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091861
observed f1af5ab561f13b6e26e9b44336faee4c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:15.024082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091861/manifest.json
observed 67ad87f69dc3fee3c636a1225e3d9fc9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:14.801746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091861/publication.md
observed 3a6389125b91081ffaec9516e79766c7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:42:14.625337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091861/publication.txt
observed 37a755b113ea2f66cbc714e0e27c7d55...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T09:42:46.344745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091861
observed f1af5ab561f13b6e26e9b44336faee4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:46.328383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091861/manifest.json
observed 67ad87f69dc3fee3c636a1225e3d9fc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:46.311387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091861/publication.md
observed 3a6389125b91081ffaec9516e79766c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:46.273320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091861/publication.txt
observed 37a755b113ea2f66cbc714e0e27c7d55...
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.