OpenTechnical

OT-2026-000091934

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, 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-2026-000091934) never changes.

Identity and time

Publication numberOT-2026-000091934 · never reused
Internal UUID01a0ae9d-43bb-7cfe-868e-027b41abee39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091934
StatusPUBLIC

Content hashes

Canonical text75d843de4d0da903ea48eee235decce46968412ce8f17f214cecb79e731e8728
Markdown850030b61876138d51f60f94e0813b2766b059b5bc3e45552a893f204d0b715c
PDF
Publication page50fe5fc7d343e8c05472c1348a5ffc109600bb0162a2a9b33afffcff39a58c4f
Manifesta0d2ca6c73ed83c5e6f489a9fb64e265c6fee45b34933a1a6e251003de07d356

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
SignatureOaLoRmtkn0n5jpur1L6JTEEXcq9wdPbPqUuIGuSv0ZFfePwtTBqL9hmjWy6lb4NijG7af6veLPykxb4PPIWhCw==
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

2026-09-17T09:42:52.754411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091934
observed 50fe5fc7d343e8c05472c1348a5ffc10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:52.736691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091934/manifest.json
observed a0d2ca6c73ed83c5e6f489a9fb64e265...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:52.720008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091934/publication.md
observed 850030b61876138d51f60f94e0813b27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:52.704922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091934/publication.txt
observed 75d843de4d0da903ea48eee235decce4...
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.