OpenTechnical

OT-2026-000047027

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000047027) never changes.

Identity and time

Publication numberOT-2026-000047027 · never reused
Internal UUID01a0ae7e-d0f7-799a-9ea0-71bb3833bef1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047027
StatusPUBLIC

Content hashes

Canonical textf1c6f95d7d394619d574372f31f37435550a7953649df0e4ab2f72fc437658f7
Markdownc2d317dbf367338090b352482801016e687c24c65c9b44fb55cf0e2c819eae18
PDF
Publication page1eaf4e296d8bc4fe3042e0623226969efc6085f94b30309f6bbc34ff4c9924e7
Manifest095295541269c4f8bc469d94de8d88a4f481487a6203de0ad01fc9764eea09f9

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
Signature6dZKm7BBDcDV8MPt+kfHuo3NOqB+CVkwKnp333n2E9Qfw4Owuu1mKTTM+weVByMWH/W7AEwca9SQeyDcrSVIBA==
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

2026-09-17T11:10:18.672848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047027
observed 1eaf4e296d8bc4fe3042e0623226969e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:18.651506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047027/manifest.json
observed 095295541269c4f8bc469d94de8d88a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:18.633101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047027/publication.md
observed c2d317dbf367338090b352482801016e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:18.614686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047027/publication.txt
observed f1c6f95d7d394619d574372f31f37435...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:47.299631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047027
observed 1eaf4e296d8bc4fe3042e0623226969e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:47.280666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047027/manifest.json
observed 095295541269c4f8bc469d94de8d88a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:47.262320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047027/publication.md
observed c2d317dbf367338090b352482801016e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:47.241867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047027/publication.txt
observed f1c6f95d7d394619d574372f31f37435...
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.