OpenTechnical

OT-2026-000091235

Publication integrity record

Two cup vacuum gripper, two zone face, two 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-2026-000091235) never changes.

Identity and time

Publication numberOT-2026-000091235 · never reused
Internal UUID01a0ae9c-f16c-73bf-bbae-e9992dd242d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091235
StatusPUBLIC

Content hashes

Canonical text65bc8d712d84c709b66706bf0542d20c0d7adf0a9b0aae46bd8b3199f8feab89
Markdownf6bdc601e41b6f4abf1ef4cc5ef9cc1eb5ed7d72603fcd77a8045c7a3ab7e860
PDF
Publication page7014a4c51d0f44864ff4d409ce68c88340f8464dce58e1b63c4982c72027cc12
Manifest5b8d6fb058ddec4f4a074f5c5e07afc08a957ad0fec102f663f74eb75c108a70

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
SignatureM8UpXwT5I1Sh9OIEFH1e+ilHwxlYUsZbZXDOG6Gim2y9X68vXhfs/5MUSvUKvSMFn3NpDwFfkRD3YbE/3v1ZAQ==
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

2026-09-17T09:43:24.511998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091235
observed 7014a4c51d0f44864ff4d409ce68c883...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:24.495935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091235/manifest.json
observed 5b8d6fb058ddec4f4a074f5c5e07afc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:24.479661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091235/publication.md
observed f6bdc601e41b6f4abf1ef4cc5ef9cc1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:24.462182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091235/publication.txt
observed 65bc8d712d84c709b66706bf0542d20c...
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.