OpenTechnical

OT-2026-000068713

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000068713) never changes.

Identity and time

Publication numberOT-2026-000068713 · never reused
Internal UUID01a0ae90-2483-7e16-b73c-53b678537fb7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068713
StatusPUBLIC

Content hashes

Canonical text9d96070773e01f99cfb9c6998d668be9c922b2c17c010f2ac7ba82dd25439640
Markdowne7c02f3b8de8a5ebf6636358695616d80d9a4725308bbd29095ac2a5be8162e5
PDF
Publication page78f90e517345268f66a5d37ecf202ed4b6628212960f8eaea5fa09ef7fa18c6c
Manifest0664bce31e22ef3e0f3e8ce6dff5ea9b4f02e254697977a65d5383efd2450391

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
Signaturea+lJWKrLDfCWibsdHpdz4FtqPJgMAdsG0wSCSCZ1w0m02fo1QKzf5Vu71+XAXoG2UT4LV17Nl5kw7T5+goAHCA==
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

2026-09-17T10:29:55.376006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068713
observed 78f90e517345268f66a5d37ecf202ed4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:55.358121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068713/manifest.json
observed 0664bce31e22ef3e0f3e8ce6dff5ea9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:55.341282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068713/publication.md
observed e7c02f3b8de8a5ebf6636358695616d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:55.319552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068713/publication.txt
observed 9d96070773e01f99cfb9c6998d668be9...
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.