OpenTechnical

OT-2026-000030203

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, 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-2026-000030203) never changes.

Identity and time

Publication numberOT-2026-000030203 · never reused
Internal UUID01a0ae73-e500-7002-a024-3984baa5e1b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030203
StatusPUBLIC

Content hashes

Canonical text45c9b0e36ac916d2175e7637cb6303bc19b8136a624e1d7ed5b8ba950fbff39a
Markdowndcc580147d45d33201707b7546ec46390bc074f4fd06c705ae03c7a32ed05339
PDF
Publication page3cf46916e56fdeb1426a7353ae64185d4462f0a1dc398b354e0d73a9e622d68a
Manifest5c6a0ae33ab32ecb6f99894ff10b232d04b6a69fd7f01c47aa201d967e47cbae

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
SignatureVIrS1Y4VBjbu27PH3woWb841vUnWRNyR1K4qp7/HCykorHw1sNRQ6O4nTgfadWrylOb0yXdEbN1ypwnejXApBQ==
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

2026-09-17T11:40:34.433635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030203
observed 3cf46916e56fdeb1426a7353ae64185d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:34.414737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030203/manifest.json
observed 5c6a0ae33ab32ecb6f99894ff10b232d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:34.395824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030203/publication.md
observed dcc580147d45d33201707b7546ec4639...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:34.378826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030203/publication.txt
observed 45c9b0e36ac916d2175e7637cb6303bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:50.798572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030203
observed 3cf46916e56fdeb1426a7353ae64185d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:50.779024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030203/manifest.json
observed 5c6a0ae33ab32ecb6f99894ff10b232d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:50.762032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030203/publication.md
observed dcc580147d45d33201707b7546ec4639...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:50.743778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030203/publication.txt
observed 45c9b0e36ac916d2175e7637cb6303bc...
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.