OpenTechnical

OT-2026-000049194

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000049194) never changes.

Identity and time

Publication numberOT-2026-000049194 · never reused
Internal UUID01a0ae81-134e-7896-b104-dfe4d2b251ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049194
StatusPUBLIC

Content hashes

Canonical text5cc1a22ee5bdf9d08b38609f9ccc90d8bf726a11f5ca6a650b41571fe37ce02b
Markdown2ce970178210a748ce2e0a313890e376b7d6f407d02ec2b2c04f7e5551acf7a4
PDF
Publication page4ceddf62f57432d1481e00ca37bd4f1197f90c8a8a47dc3b50932cb2ec9caf3c
Manifest2b4aec90022600807bce7005d7c8240eb937fe881806eb01d5cc5abdece0f82e

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
Signature4Emycw2jgHBiV3O+XtzyUrEY5GRQFdUr7SIjP1VEGNIWnvvE2gsFaWgnCQsDLgS7UHiUAbT5I6keZmcAeuMRCQ==
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

2026-09-17T11:04:00.273339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049194
observed 4ceddf62f57432d1481e00ca37bd4f11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:00.256259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049194/manifest.json
observed 2b4aec90022600807bce7005d7c8240e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:00.238357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049194/publication.md
observed 2ce970178210a748ce2e0a313890e376...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:00.221625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049194/publication.txt
observed 5cc1a22ee5bdf9d08b38609f9ccc90d8...
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.