OpenTechnical

OT-2026-000091309

Publication integrity record

Foam pad vacuum gripper, two zone face, three 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-2026-000091309) never changes.

Identity and time

Publication numberOT-2026-000091309 · never reused
Internal UUID01a0ae9c-f16c-7d8b-815e-339ab633acb5 · 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-2026-000091309
StatusPUBLIC

Content hashes

Canonical texta59c1bbd0d15c575aa3a07f5dce71268df8d0afb9daa7054ffac10c0f0b422e7
Markdown89629920282c15bdb0ad622ddf95eec515624f109ef24d6b8d3881568af36ef1
PDF
Publication page0c5ff8b4dc703af43b01cb38bcb4a521116a74dd4e744fe63fe72f1a10e4f068
Manifestd28beda2da91b31261fe17098f8262825c5e6cdc19aff071d0bd590535ea0aae

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
SignatureBAGOZflAgHjpfU5v1V3QS++VHzsffOhNW90R7GjaeV8ioAEf5wyh0yZr0Tvro9YgCh1ipLLQwYGvMGKMq4CEDA==
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

2026-09-17T09:43:30.643365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091309
observed 0c5ff8b4dc703af43b01cb38bcb4a521...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:30.625659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091309/manifest.json
observed d28beda2da91b31261fe17098f826282...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:30.608890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091309/publication.md
observed 89629920282c15bdb0ad622ddf95eec5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:30.591907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091309/publication.txt
observed a59c1bbd0d15c575aa3a07f5dce71268...
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.