OpenTechnical

OT-2026-000090510

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, on a tool changer

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-2026-000090510) never changes.

Identity and time

Publication numberOT-2026-000090510 · never reused
Internal UUID01a0ae9c-7f2e-70ec-90c1-1195e9010d8b · 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-2026-000090510
StatusPUBLIC

Content hashes

Canonical text2c1ec70117124dbeadb56cceac3e88d4a26c812a88a6fc5110965b60a275097c
Markdown4ee80fadefe042f9e9da9afda857dcf96d1131698d052a020d04144b55b8464e
PDF
Publication page152ec47a34330f2234c09ea9181f4629ad98b3998079137244aa6868a6bbfa05
Manifest38ca97d2223452ac31c5571bfc0a9c07d4e0ff2e89d21116436f14abba227cc1

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
SignatureLrx0ILzkQIw+8BGOvSKqtNOoqHCyPAEORTK6OJ161L4zBy/Wi//lSPKPVSGcEpYTfBz/gQ6q/XrQuXmmxrduAg==
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

2026-09-17T09:44:39.428671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090510
observed 152ec47a34330f2234c09ea9181f4629...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:39.412600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090510/manifest.json
observed 38ca97d2223452ac31c5571bfc0a9c07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:39.396136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090510/publication.md
observed 4ee80fadefe042f9e9da9afda857dcf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:39.380049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090510/publication.txt
observed 2c1ec70117124dbeadb56cceac3e88d4...
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.