OpenTechnical

OT-2026-000069285

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000069285) never changes.

Identity and time

Publication numberOT-2026-000069285 · never reused
Internal UUID01a0ae90-b528-78cc-8bf3-8e8c01476118 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069285
StatusPUBLIC

Content hashes

Canonical text35bb36e0d1f8939116e1f0e9a27475f6c66a51cf233ba4155fd08b64620b8f2d
Markdown75c92f15f56482e423a04bfb6970416303a2751361912f14f338c259a5ad397f
PDF
Publication page5f2a1056a7efa3c5db54a864148f3f38e5f22990648d655672b4411b046537a0
Manifestf40797843a0b129fc9b32c865d0bdf01e5731738008b215a9ad21a19acbb431f

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
SignaturemQJGGp3z6vOV60pLEXJgr/MAH0KMy8OJFM2P9IcKpmvyfXyq5Vc05K5+pBqjI+E3XhRtQNXMMsXQm0JG5A48CA==
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

2026-09-17T10:27:22.215252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069285
observed 5f2a1056a7efa3c5db54a864148f3f38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:22.196804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069285/manifest.json
observed f40797843a0b129fc9b32c865d0bdf01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:22.180430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069285/publication.md
observed 75c92f15f56482e423a04bfb69704163...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:22.162815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069285/publication.txt
observed 35bb36e0d1f8939116e1f0e9a27475f6...
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.