OpenTechnical

OT-2026-000050395

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four 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-2026-000050395) never changes.

Identity and time

Publication numberOT-2026-000050395 · never reused
Internal UUID01a0ae82-5c48-71c6-a28c-3a678645a7e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050395
StatusPUBLIC

Content hashes

Canonical text1eb9198b4323be82fdc45e70eb3c3559a59b9b706569861c26f5726e44f58eac
Markdown69c419b4b7eebbf68e9e7d5e888049f52ca7e62b50c8e43ecf33663fe2131821
PDF
Publication page22a0cce9080549024627a223302d60c87f669df0d7e6bc64f6ef5189a3ae7d5c
Manifestd17395769bfc88c2b58ce8c505736f3536a967a350fd3a689e8ae6c8342b512d

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
SignaturexbUal93wD/CAfIVk61xOXLHGRJ9Z/gbR1hNnjeVcMKkZKDbawBRML+mVwYf/l1IDbFKNw0gGY3BMgtS0JGYjAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:26.139567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050395
observed 22a0cce9080549024627a223302d60c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:26.124013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050395/manifest.json
observed d17395769bfc88c2b58ce8c505736f35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:26.107769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050395/publication.md
observed 69c419b4b7eebbf68e9e7d5e888049f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:26.089090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050395/publication.txt
observed 1eb9198b4323be82fdc45e70eb3c3559...
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.