OpenTechnical

OT-2026-000038871

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000038871) never changes.

Identity and time

Publication numberOT-2026-000038871 · never reused
Internal UUID01a0ae78-769f-7023-8003-4867fdeef612 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038871
StatusPUBLIC

Content hashes

Canonical texta981e20b60148dfb423c67e5cd37b7c855a271eca67750c0663f97fa8e1c750a
Markdown078701f7dfa4ba752f6502d506e3cc818c11ee93b8e947e02976eae6e09226b7
PDF
Publication pagea3d76e4e5041599cf8cb08ecdc56992bb34e676f2155b2cb0b50a9504131a102
Manifest025e3e95dea643b3ec0e267602527df4845d9ebd1ed436a85821b775bc3ab266

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
SignatureXBOVUoCHghvVKx710dgq8qtFB3+lMdIufAwj52Aq1xfCVbJrSOQ3LLteLiS5HuxjDuRJXMEuxaRAAvqcMYFIAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:21:26.899082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038871
observed a3d76e4e5041599cf8cb08ecdc56992b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:26.882073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038871/manifest.json
observed 025e3e95dea643b3ec0e267602527df4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:26.863079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038871/publication.md
observed 078701f7dfa4ba752f6502d506e3cc81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:26.845127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038871/publication.txt
observed a981e20b60148dfb423c67e5cd37b7c8...
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.