OpenTechnical

OT-2026-000032158

Publication integrity record

Foam pad vacuum gripper, single stage ejector, pulsed blow-off after 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-2026-000032158) never changes.

Identity and time

Publication numberOT-2026-000032158 · never reused
Internal UUID01a0ae74-f7a6-70ea-9d3a-ed6aac813118 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032158
StatusPUBLIC

Content hashes

Canonical textbf37ea2963ce22432f9c11968063c06508454bed5582535efdd0c165cbb91c69
Markdownafedb9ba1ed24ac58d783304a1241006dc214737fd729e37110f2bbae51d0ce2
PDF
Publication page93ca9fa9776ed241a3d8a439e8c5d795ea449b6d99886796c39ef24040f30c05
Manifest127a6975d28f8ae8532b4634a2e235f5276a278a376859b5e8f986dd83c99fd2

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
Signaturen667ovJ1ljmcDtCWnuIGasYU3wSyq2Qz5mTHAW0ZnanE4uLKVH3OXU3fwTaEnuBku7t2ktIcAxw20WKPY0eMAA==
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

2026-09-17T11:34:28.975211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032158
observed 93ca9fa9776ed241a3d8a439e8c5d795...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:28.957441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032158/manifest.json
observed 127a6975d28f8ae8532b4634a2e235f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:28.934414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032158/publication.md
observed afedb9ba1ed24ac58d783304a1241006...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:28.916477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032158/publication.txt
observed bf37ea2963ce22432f9c11968063c065...
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.