OpenTechnical

OT-2026-000091868

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, 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-2026-000091868) never changes.

Identity and time

Publication numberOT-2026-000091868 · never reused
Internal UUID01a0ae9d-43ba-7966-9857-746b53a66ab7 · 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-2026-000091868
StatusPUBLIC

Content hashes

Canonical text81f350e51e9e559f5a700fc0f5db96a485e68f1d4470f78cf94d1044844056f0
Markdown75f8a223dc637bfce4fc767d3737c95d4aa3b5a29d7e07cf089a18b5f850a5b9
PDF
Publication page7b5dcd60c2fd991fff7404e21107ce9ab8f35271dd69bd2c8c752c45b5aeae33
Manifest232a1beaae49cd728a825d7f24c0f1ddf9bacc09b0fa11473d0d675e1bb86049

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
SignatureaDEPo4RdVITLT6j6f/VDgR4mwIY0bAKhRf+16obooGXy3/Oxh0oxq9v9zyPdeTN7Yp427RxFAuKjm+UCtLhCBQ==
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

2026-09-17T09:42:47.604775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091868
observed 7b5dcd60c2fd991fff7404e21107ce9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:47.588013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091868/manifest.json
observed 232a1beaae49cd728a825d7f24c0f1dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:47.569625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091868/publication.md
observed 75f8a223dc637bfce4fc767d3737c95d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:47.551751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091868/publication.txt
observed 81f350e51e9e559f5a700fc0f5db96a4...
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.