OpenTechnical

OT-2026-000084743

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, 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-2026-000084743) never changes.

Identity and time

Publication numberOT-2026-000084743 · never reused
Internal UUID01a0ae98-e25d-7c9f-bc34-c28231879061 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084743
StatusPUBLIC

Content hashes

Canonical textdc1b34c8f67e60af640de16367c01688b891684617c18e5dfc103271b5416adc
Markdown93e50cb6c5efb3202fb8d1cf4b6f2f922ade74de1ab8f3fbb8924b3fc423d11d
PDF
Publication pagede11029bc6b04b4e8f2961cc9be15e8c36160b9b682d9b262d0999bec8bdb6cc
Manifest76bf3e1c3ff8bdd17475666366d81003c76645f3ee3cab708a09a7d3778e0a63

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
SignatureD1xDAMREayeFCbmPnqiVy+lpSxcsiF7XKNGAhXey2lUHlVP6OilF/ObvYucyOS/8Nz6PmZq+n/L1SmNNJfCoAg==
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

2026-09-17T09:55:41.241530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084743
observed de11029bc6b04b4e8f2961cc9be15e8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:41.222783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084743/manifest.json
observed 76bf3e1c3ff8bdd17475666366d81003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:41.205516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084743/publication.md
observed 93e50cb6c5efb3202fb8d1cf4b6f2f92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:41.188930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084743/publication.txt
observed dc1b34c8f67e60af640de16367c01688...
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.