OpenTechnical

OT-2026-000087343

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, sustained 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-2026-000087343) never changes.

Identity and time

Publication numberOT-2026-000087343 · never reused
Internal UUID01a0ae9a-cd4f-709c-aa9e-20b547d5743a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087343
StatusPUBLIC

Content hashes

Canonical text2aa56dd99748a051ad8dec0a983b50d34073dbc5b1949ee8c89fe4e451767b8a
Markdown8721e4f497f3c068533e6d0089ac9456a8f83e177c5ce674589a7466df2c24f8
PDF
Publication pagec4637c1876013401db3a2182f14f38c5baac8bbf953f9be0cec94cad0431c802
Manifest6845b2fd04381cdbf5f1fe0acc6fdcd300cc07172d11ec53c6abd2ea1f090a38

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
Signature2i74YN6JShVkOYCJlYqjbo1aOAcy+6BhMNLojpg2snjC2BgDXPV2ejInfkIi2l7/O136yIzrRbjR2IOfmFsFCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:50:30.909677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087343
observed c4637c1876013401db3a2182f14f38c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.908649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087343
observed c4637c1876013401db3a2182f14f38c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.890916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087343/manifest.json
observed 6845b2fd04381cdbf5f1fe0acc6fdcd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.889262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087343/manifest.json
observed 6845b2fd04381cdbf5f1fe0acc6fdcd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.871000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087343/publication.md
observed 8721e4f497f3c068533e6d0089ac9456...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.870573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087343/publication.md
observed 8721e4f497f3c068533e6d0089ac9456...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.853925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087343/publication.txt
observed 2aa56dd99748a051ad8dec0a983b50d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:30.853161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087343/publication.txt
observed 2aa56dd99748a051ad8dec0a983b50d3...
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.