OpenTechnical

OT-2026-000031835

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, single stage ejector, pulsed blow-off before set-down

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-2026-000031835) never changes.

Identity and time

Publication numberOT-2026-000031835 · never reused
Internal UUID01a0ae74-bad1-749b-a4e9-bf9bfbda9e14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031835
StatusPUBLIC

Content hashes

Canonical text4c1d34768e927c0758e4ffee7dd62b083da5fc52e784e57048bc225a67661768
Markdown0f2b108162c20f8c934ea0caacd15190147e5db90a4dc2b39cb38d2495f3337b
PDF
Publication pagef8fad7552a0065b703792eeaa71647a681f501da335166e703ae5d4224f9ada5
Manifest82d10d1c5a5a86b2e6a4de2f720acef7cbe522db3db49fcaa2815476d3d7d527

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
SignatureqNHtbdn8kwuU28osYOXmvXq3JqaWdEioRR0Lj6JRy+dGcvnsQSYckf/caQ4vLlzAVaq5x0W3Al+p5nkKDz28BA==
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

2026-09-17T11:35:04.873831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031835
observed f8fad7552a0065b703792eeaa71647a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:04.855283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031835/manifest.json
observed 82d10d1c5a5a86b2e6a4de2f720acef7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:04.825301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031835/publication.md
observed 0f2b108162c20f8c934ea0caacd15190...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:04.800763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031835/publication.txt
observed 4c1d34768e927c0758e4ffee7dd62b08...
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.