OpenTechnical

OT-2026-000091627

Publication integrity record

Foam pad vacuum gripper, three zone face, four 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-2026-000091627) never changes.

Identity and time

Publication numberOT-2026-000091627 · never reused
Internal UUID01a0ae9d-43b8-702b-a5cf-422c123f3dd7 · 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-2026-000091627
StatusPUBLIC

Content hashes

Canonical textd4a9b28b9297527a17245cd059bc7767af9348a54424513b1f487da0163e8f77
Markdown9972f4930b6bcdb46bc39f1b1ad47cf736d58716beb067650496c8513312cdb4
PDF
Publication pagea117423fcaf06a9d550334ab4f17f2b2e9500413eef060b26ae3ecfb1b2aa307
Manifest29b7a8cc644be4b21fa64f09b490d15f205108235a2bd2916423dad7adaf43e7

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
SignatureUXVXs010f4a3ZpPEZDu9Ej2olMmCs4Ct64swklEdsNCkek6ojaRaK02uAAnk3ijxoAvgCB4lDePOClMEyTOFBA==
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

2026-09-17T09:41:59.441406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091627
observed a117423fcaf06a9d550334ab4f17f2b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:59.422147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091627/manifest.json
observed 29b7a8cc644be4b21fa64f09b490d15f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:59.397625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091627/publication.md
observed 9972f4930b6bcdb46bc39f1b1ad47cf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:59.376139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091627/publication.txt
observed d4a9b28b9297527a17245cd059bc7767...
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.