OpenTechnical

OT-2026-000091792

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three 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-2026-000091792) never changes.

Identity and time

Publication numberOT-2026-000091792 · never reused
Internal UUID01a0ae9d-43ba-7b34-a660-e89acb12dee7 · 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-2026-000091792
StatusPUBLIC

Content hashes

Canonical text9c7d7e73769ab31482d0996c5b829051edd00a650f403656079346f1c377c960
Markdown4c5e5ef2072b5630cf409a24c5bc0529f712e9954c238b8a8ddca6883e29c8ab
PDF
Publication page662f627506dc8b0609e24061a1b930793191d30f8d5b5296872506d7c35fba96
Manifest3a57ae53d680a4b90d94846d1bad81b76cc9256a605012b318800f180cc8e51d

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
SignatureD6sRqlAVXqvOvLRNebhKDsNCBskZFePKKTxxoYrL2GqpLW6mTm7cMuODmL/QCrc5xcPb2kV2tP129sjWy07PDw==
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

2026-09-17T09:42:41.479538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091792
observed 662f627506dc8b0609e24061a1b93079...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:41.462147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091792/manifest.json
observed 3a57ae53d680a4b90d94846d1bad81b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:41.444633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091792/publication.md
observed 4c5e5ef2072b5630cf409a24c5bc0529...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:41.425700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091792/publication.txt
observed 9c7d7e73769ab31482d0996c5b829051...
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.