OpenTechnical

OT-2026-000027335

Publication integrity record

Foam pad vacuum gripper, three zone face, pump 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-2026-000027335) never changes.

Identity and time

Publication numberOT-2026-000027335 · never reused
Internal UUID01a0ae72-6997-795c-8d87-c41207246665 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027335
StatusPUBLIC

Content hashes

Canonical text6dd18ae7ea49645d59e43f1f8e7674db2bd4d634968acf9b361f4e29d4fa10c8
Markdown7d261f5e398a53de39b68878e045cfa39dc843ebe53f2e9bc8a3eb32215ab29b
PDF
Publication pagee6565015914e32e96387779778ef42bfba3188e10a497b880fc701da5697a6ab
Manifest12397ce49a8cff8bddb1e8349791192e27cb0ab4970a3f8ab21a65b2319ac3a2

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
SignaturejmfJdiX5qUHt5+GcWXDuaJwvws6IWjpcaVCN07zBEldDQmOiIT1SPUGsD9dVQO+csK8WMGp1AnlQqVrqdO7CCg==
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

2026-09-17T11:42:44.206041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027335
observed e6565015914e32e96387779778ef42bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:44.185718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027335/manifest.json
observed 12397ce49a8cff8bddb1e8349791192e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:44.164581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027335/publication.md
observed 7d261f5e398a53de39b68878e045cfa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:44.145004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027335/publication.txt
observed 6dd18ae7ea49645d59e43f1f8e7674db...
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.