OpenTechnical

OT-2026-000087435

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000087435) never changes.

Identity and time

Publication numberOT-2026-000087435 · never reused
Internal UUID01a0ae9a-cd50-73b2-9c03-6e2e237f6d81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087435
StatusPUBLIC

Content hashes

Canonical text333a69825da8f6d3e21bcea73eac8d13b41d7ca6e72df8762df70d146b864292
Markdown4494df944398c5b2c4e4038c757e1bbb4a4c99942b38a952f019bbbc81265ced
PDF
Publication page28766d6282aba7607e0df26996bdd13924c102e237c39568812ee1d4a67d11a8
Manifestb5ab40ee81491ad030a3fed49b42882447f7e278548efb426fbca772df901b55

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
SignaturejKwoFE7JIhq0n3HThY258lduucalnEqh32T8LLAkBc7S60PPb9UDWQyU5MltfR9grZkMAlWZ3UTvcmQ0MNbGDw==
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

2026-09-17T09:50:45.453388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087435
observed 28766d6282aba7607e0df26996bdd139...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:45.435124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087435/manifest.json
observed b5ab40ee81491ad030a3fed49b428824...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:45.416905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087435/publication.md
observed 4494df944398c5b2c4e4038c757e1bbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:45.399572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087435/publication.txt
observed 333a69825da8f6d3e21bcea73eac8d13...
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.