OpenTechnical

OT-2026-000022711

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000022711) never changes.

Identity and time

Publication numberOT-2026-000022711 · never reused
Internal UUID01a0ae70-46e9-7f09-9643-75b6804195d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022711
StatusPUBLIC

Content hashes

Canonical textbb34b0e6a137b63570e895d091b8561a48c7ee1f66902aa05e492a545a4e4515
Markdown1317a624b69b40c74ac91fb0cd37fde157477dd9769eda46e0babaedcdc14e2d
PDF
Publication page015ab6515b023670c53830e4f2c35388a9041a8c60adbf2981e0a6c947c9b7af
Manifestb57dcda591c84e78495c91aec77ac80905d487d6e6a36908b71dfd968c234d92

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
Signaturem9MHRS43PWAoQ2Y5OK5Y2qspm2i0sb7GKXUonvkrZo7OKnS0hx8hpVMlRn7SlkssP4svuGUakOMjk34R9HIVCQ==
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

2026-09-17T11:52:12.475355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022711
observed 015ab6515b023670c53830e4f2c35388...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:12.458130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022711/manifest.json
observed b57dcda591c84e78495c91aec77ac809...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:12.438467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022711/publication.md
observed 1317a624b69b40c74ac91fb0cd37fde1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:12.421356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022711/publication.txt
observed bb34b0e6a137b63570e895d091b8561a...
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.