OpenTechnical

OT-2026-000066031

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, pressure sensor per zone, pulsed 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-2026-000066031) never changes.

Identity and time

Publication numberOT-2026-000066031 · never reused
Internal UUID01a0ae8e-8dc2-7e77-8f81-48b0103a0dd9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066031
StatusPUBLIC

Content hashes

Canonical text4cf4f878f98fdc69d5d97025abe0ea7cc67723c1d7ec9c3a5f7ecbbd0682fcd0
Markdown28ccba58772c5473678cbc752a5945c5208304cd46151127fd4cc8d6d870f2e7
PDF
Publication page5bdec524b3b1a811939d26ef12b8eb13e5d04992a05ca6951069ec8717344476
Manifestf9820ea4b5ce219951d9b2dbcd7bdf37430f8ad1fb50d20087ff11aefd3bf709

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
SignatureeR6/Dq0s7wiqYJxxlQ/FBKaJ13s7EtIbMvScvDb14zQxM+V3rc0BWLnvJUGUyCDwIX1J2WVE5998uKA3uG+rCg==
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

2026-09-17T08:50:36.735170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066031
observed 5bdec524b3b1a811939d26ef12b8eb13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:36.585414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066031/manifest.json
observed f9820ea4b5ce219951d9b2dbcd7bdf37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:36.566864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066031/publication.md
observed 28ccba58772c5473678cbc752a5945c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:36.549754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066031/publication.txt
observed 4cf4f878f98fdc69d5d97025abe0ea7c...
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.