OpenTechnical

OT-2026-000091939

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, two stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000091939) never changes.

Identity and time

Publication numberOT-2026-000091939 · never reused
Internal UUID01a0ae9d-43bb-76b6-9626-5992c5ea97dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091939
StatusPUBLIC

Content hashes

Canonical textc7f7f936838d1b1b29427aa275f599bc79e85f3a07908550d169e4a3334f7da6
Markdown84f67a094d6a04102d17af0247bbc596a1c3bc66b03bcc9e050b541efe274c08
PDF
Publication page3f58e1e922933140450f3f4a5a8287abc8138a44c92b9e8c966bbb1865679983
Manifestc00e6360ad744e1cb0c63f2c0a50393fcdf5c68d026204550ddf303066b3501e

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
Signature111J/xxKO5S9/vkLGcREPOTXtGllMbgQbRenzMojuLzd91E3bFKrk3LnsO40zvHB9MEEkOXOqTmt3mtTUih8CA==
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

2026-09-17T09:42:53.065606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091939
observed 3f58e1e922933140450f3f4a5a8287ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:53.048740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091939/manifest.json
observed c00e6360ad744e1cb0c63f2c0a50393f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:53.029691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091939/publication.md
observed 84f67a094d6a04102d17af0247bbc596...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:52.999055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091939/publication.txt
observed c7f7f936838d1b1b29427aa275f599bc...
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.