OpenTechnical

OT-2026-000090508

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two 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-2026-000090508) never changes.

Identity and time

Publication numberOT-2026-000090508 · never reused
Internal UUID01a0ae9c-7f2e-75a4-bd70-97724f719039 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090508
StatusPUBLIC

Content hashes

Canonical text6f52ede1bd8136c4e3234904ac5862a233466f83ce2fad812d96ff1deff41fd3
Markdown6abc6921d7f6110ffa9606ed00ce3c06d56f96c8dd09e9b6420d958143c5e443
PDF
Publication page65cf069a2d8ba7896e6b896ad6fc432c1277e805a2be89819439063bcd994925
Manifestd5fe18a7b7b0f9367e9d3c7db9113297ee6bd58b7eaa02cccbab2013c29c6caa

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/L9abIRdROtl3ThATpn7CEV8WLbcAaPQa9t+oiJyJCoDXfGzl9yj3/O+GZBa/Flo1CaFKWSjsEHAThNsepffDg==
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

2026-09-17T09:44:39.139322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090508
observed 65cf069a2d8ba7896e6b896ad6fc432c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:39.122136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090508/manifest.json
observed d5fe18a7b7b0f9367e9d3c7db9113297...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:39.103524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090508/publication.md
observed 6abc6921d7f6110ffa9606ed00ce3c06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:39.086604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090508/publication.txt
observed 6f52ede1bd8136c4e3234904ac5862a2...
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.