OpenTechnical

OT-2026-000100089

Publication integrity record

Three cup vacuum gripper, three 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-2026-000100089) never changes.

Identity and time

Publication numberOT-2026-000100089 · never reused
Internal UUID01a0aea3-1474-7ab1-a3a7-0a29dc11d717 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100089
StatusPUBLIC

Content hashes

Canonical text99ce63b1d52cd668bc68983d8cf0bd2024d9e38066edddfd5a2f62bd8cca524a
Markdown3fe505ec73d33254f8f072fd9a4075c6fe8b83c11e17754d0d33b5c96bcf23da
PDF
Publication page190c3fe3cc53b8aa0ef914cb09db5ee9740dd10faf9bc515dfea8a75ddb2d4fe
Manifest6247b99acdd5a2ee2deaf2ec40517c7761ea47451d01844e9aa68f5ccb8b7c5f

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
Signature5iy65W/pQkhEF0HBftGcwODjuAD7yrD1h3M9QH8mwP+R5EWSeIZnp01FPBSw9C2wTtQLH5PNB7a3y9MSJJgPCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:02.649188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100089
observed 190c3fe3cc53b8aa0ef914cb09db5ee9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:02.630698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100089/manifest.json
observed 6247b99acdd5a2ee2deaf2ec40517c77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:02.610918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100089/publication.md
observed 3fe505ec73d33254f8f072fd9a4075c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:02.592746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100089/publication.txt
observed 99ce63b1d52cd668bc68983d8cf0bd20...
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.