OpenTechnical

OT-2026-000089109

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000089109) never changes.

Identity and time

Publication numberOT-2026-000089109 · never reused
Internal UUID01a0ae9b-daff-7480-b184-f181fbeb723e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089109
StatusPUBLIC

Content hashes

Canonical textc643411f379b7638e023d19b9f5a982cd1bfeb811e676ed4a1744eb28d2737f3
Markdown8102f4ef67ec495944c3195e65de1e9b791e529a611591237ccb751307496a32
PDF
Publication page5e01b80286dd4f248eb210e52fb75c302b132996d10e74547569f0bb239ce4d3
Manifest3ce9991ac6c99125109b2e3541a5af27e70451d1481a377746371490c4512432

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
SignatureN9D2ZuG5AnwX+IjL56VXObz1yT0KTsNbGEtcxreSc2u1SDEWUhKvi/H9LOQPkNhdJhZCalBlUT5DT/FTt1QHDw==
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

2026-09-17T09:47:01.162422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089109
observed 5e01b80286dd4f248eb210e52fb75c30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:01.145258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089109/manifest.json
observed 3ce9991ac6c99125109b2e3541a5af27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:01.127410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089109/publication.md
observed 8102f4ef67ec495944c3195e65de1e9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:01.107441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089109/publication.txt
observed c643411f379b7638e023d19b9f5a982c...
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.