OpenTechnical

OT-2026-000102090

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum fed, 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-2026-000102090) never changes.

Identity and time

Publication numberOT-2026-000102090 · never reused
Internal UUID01a0aea4-50f2-7ba0-98ca-4107481ae3c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102090
StatusPUBLIC

Content hashes

Canonical text2002bdf0143b1d09b86e1a7d1ef828d759e6dcd2dfd2ead886911b7e0b837698
Markdownad7b26e6fce5efc59f7b551445212d3f98029a837aea83d2633f2351fe1fc3af
PDF
Publication page605402734ee0e106123d2845d17cf2396013b12399458f30fbde7c50eab76511
Manifestc9e1961c55ad38ab8f8025dc88b727001af83dcbc87c025f57867ae61ec15327

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
SignaturebUobKWoOxz+2THqE7yInntOE5p/fyRKg+Su8YcWwAaHD0nwYbRiBD65c8On3xanr5ki3Q4/hFtZzRq5U3SdnBw==
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

2026-09-17T09:25:14.317518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102090
observed 605402734ee0e106123d2845d17cf239...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:14.298637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102090/manifest.json
observed c9e1961c55ad38ab8f8025dc88b72700...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:14.280727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102090/publication.md
observed ad7b26e6fce5efc59f7b551445212d3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:14.260421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102090/publication.txt
observed 2002bdf0143b1d09b86e1a7d1ef828d7...
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.