OpenTechnical

OT-2026-000042193

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, sustained 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-2026-000042193) never changes.

Identity and time

Publication numberOT-2026-000042193 · never reused
Internal UUID01a0ae7a-5d72-734e-9cf6-798aee109b69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042193
StatusPUBLIC

Content hashes

Canonical text4130975cc0843125cd93bfed46f692c87fbf2fdefff9e37b584e651f4b368c70
Markdown8f286d7e4c571556ce57319a9c531b9036b6c9118f362b9d8d07455613ee0fbc
PDF
Publication page4da3cf6f0a75f946efbe3f46e0f077b65f4086e4d08504f5a8e2ca32e1e62bcb
Manifest54ac1b4799691026cf0b47c9bb718117b0bb682e3eca9288e5f170fa10200d5d

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
SignatureAVtk+u/GG2uIqoy32SayjsRgz4Y5RPPLqwI8M7x7HNSooPMH9lCP5X9oXSeX2fNklpFADk99RyVM8sQsQxppAg==
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

2026-09-17T11:15:51.459602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042193
observed 4da3cf6f0a75f946efbe3f46e0f077b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:51.440199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042193/manifest.json
observed 54ac1b4799691026cf0b47c9bb718117...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:51.421926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042193/publication.md
observed 8f286d7e4c571556ce57319a9c531b90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:51.401557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042193/publication.txt
observed 4130975cc0843125cd93bfed46f692c8...
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.