OpenTechnical

OT-2026-000090505

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-2026-000090505) never changes.

Identity and time

Publication numberOT-2026-000090505 · never reused
Internal UUID01a0ae9c-7f2e-70fb-9362-fff2da3c0235 · 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-2026-000090505
StatusPUBLIC

Content hashes

Canonical text24a006a4087775b230a4689a1b8d14a6dc41d652a2e7a11268cb779b8b974c1f
Markdown1faa866dbf2110728737a5c9bb061b6e29f23e63831ef8d48761e9dd5b7e95fc
PDF
Publication paged864a0369003fec8dea395d0334f087e8a8e760100f17ff16180c967045989a2
Manifesta4b403678fb41b7e88dcb8f7d5c1aa9bbd1072dc879fdb53f5543016ae4b1cdf

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
SignaturecJS+XmVZxID78P5HZlK6dikkdMnp7EAKQ+IHPmH+rx1ywTu7qzbCJ3eowfRYDerzSfXz56Vo7GjgqkWkxmzOCQ==
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

2026-09-17T09:44:38.924892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090505
observed d864a0369003fec8dea395d0334f087e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:38.908386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090505/manifest.json
observed a4b403678fb41b7e88dcb8f7d5c1aa9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:38.891105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090505/publication.md
observed 1faa866dbf2110728737a5c9bb061b6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:38.872851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090505/publication.txt
observed 24a006a4087775b230a4689a1b8d14a6...
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.