OpenTechnical

OT-2026-000063888

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000063888) never changes.

Identity and time

Publication numberOT-2026-000063888 · never reused
Internal UUID01a0ae8d-53bb-76a1-934b-94c796d2a7c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063888
StatusPUBLIC

Content hashes

Canonical text7a4bb8381f4487e56e50e598e7510894dfd0550924b49a60b5e73341aa10242f
Markdown3f3b93b64e048595071cef1c324e3950a3f6d149a1d7c769032e347599811368
PDF
Publication page88e31d76b7404bdc658e1bd0151ea44ee7942418c0c9d3e2a3532d25647ee3f9
Manifest029505eb92884fb7517f2bc1dd6e2c52e595f41f10fb07f5ed877f46ae9d1311

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
Signature2odp3jq4Y1kr/JNYGTIC4Xmq9p6LL2lTN5pL5LvbPz4A+/HtUKbKmK4WgD+2vhN2zqOC5A5lailGAn/9tSJgAA==
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

2026-09-17T10:36:55.873850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063888
observed 88e31d76b7404bdc658e1bd0151ea44e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:55.855887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063888/manifest.json
observed 029505eb92884fb7517f2bc1dd6e2c52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:55.836900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063888/publication.md
observed 3f3b93b64e048595071cef1c324e3950...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:55.818868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063888/publication.txt
observed 7a4bb8381f4487e56e50e598e7510894...
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.