OpenTechnical

OT-2026-000099924

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump 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-2026-000099924) never changes.

Identity and time

Publication numberOT-2026-000099924 · never reused
Internal UUID01a0aea3-1473-7724-8da3-ef913dc767a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099924
StatusPUBLIC

Content hashes

Canonical text692f3530915a160ffd2869072de9e44c2579305c158147ad6520697288c4cfd1
Markdown562353e410c6905867be43bc13ce97e17c5b145606bb359c3ce902575c0e519d
PDF
Publication page65b77728772ce77dd99ffc0e46579cc3d80e7a0ebf4d96e80b1b8af97c173238
Manifest52d9b53f8ce9d0a0c37780c63458349ef93247b183c9e88b251e21dfd256e797

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
SignatureMHFtxQJivebHFVFvWH/H38Xi1iM7i4IVhbwBIIIRvWelBjPUznezelsy+2Tg7CCBLGfAoEmjABeX1mMaB2HMCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:34.137980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099924
observed 65b77728772ce77dd99ffc0e46579cc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.120659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099924/manifest.json
observed 52d9b53f8ce9d0a0c37780c63458349e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.102344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099924/publication.md
observed 562353e410c6905867be43bc13ce97e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.084337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099924/publication.txt
observed 692f3530915a160ffd2869072de9e44c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:49.692092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099924
observed 65b77728772ce77dd99ffc0e46579cc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:49.673046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099924/manifest.json
observed 52d9b53f8ce9d0a0c37780c63458349e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:49.653829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099924/publication.md
observed 562353e410c6905867be43bc13ce97e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:49.634904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099924/publication.txt
observed 692f3530915a160ffd2869072de9e44c...
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.