OpenTechnical

OT-2026-000091958

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000091958) never changes.

Identity and time

Publication numberOT-2026-000091958 · never reused
Internal UUID01a0ae9d-43bb-77e9-b50a-3d043035b3bb · 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-2026-000091958
StatusPUBLIC

Content hashes

Canonical text97e363eb360ceb702ca7b973af3971aea08b21a4d9d500facfb1efe07910ba4d
Markdown98bdcc7e4e02de0844767f3be1f324b82ba5d46b57065386e8a23e7b370f2c23
PDF
Publication page71be2cacb62c308d13012c6909453c02b569cabc9d5d3a786d165ea7fce84eb4
Manifest5e5af9d1cc85dff745373ed45371980d9befc5931247eaffbde48fc2401bfd9e

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
Signaturebn+cwVelzJgRNXVkdGVd7lwc8QyAIfmqAO6QNgavRUwHY3zXPfoUbdfGJObYX/WQC8BDu4Oe3jEi/AzmnN8aAg==
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

2026-09-17T09:42:54.571672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091958
observed 71be2cacb62c308d13012c6909453c02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:54.554765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091958/manifest.json
observed 5e5af9d1cc85dff745373ed45371980d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:54.537710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091958/publication.md
observed 98bdcc7e4e02de0844767f3be1f324b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:54.520626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091958/publication.txt
observed 97e363eb360ceb702ca7b973af3971ae...
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.