OpenTechnical

OT-2026-000091897

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, 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-2026-000091897) never changes.

Identity and time

Publication numberOT-2026-000091897 · never reused
Internal UUID01a0ae9d-43ba-7449-a1de-4e5b0efedb38 · 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-2026-000091897
StatusPUBLIC

Content hashes

Canonical textc70ff6df79e694e25917230be084e8afade514e4a0f58977cb5b3e85ecd45724
Markdownb9f4bd2d5a5ef74ce1d3db05ae56a707468dfb1d142925e859da1704df634371
PDF
Publication pageae4773df4ce28590237a9c9f819ed742ba38383097835e8b70f76010c8186698
Manifest73dfd53f8a09b1ef4d659da3899d4cca7aa42a6aec340b96f085c4ed693a72ae

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
SignatureMfFiGXP9BoxlKc0Jt23OHw2mdN2c5RmXMUkSAggLNIaDo4rz3Qkk1goPcnEocd4pHIzjNQDuEn+KQi3ptUuzCw==
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

2026-09-17T09:42:50.002682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091897
observed ae4773df4ce28590237a9c9f819ed742...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:49.986669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091897/manifest.json
observed 73dfd53f8a09b1ef4d659da3899d4cca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:49.967201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091897/publication.md
observed b9f4bd2d5a5ef74ce1d3db05ae56a707...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:49.950041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091897/publication.txt
observed c70ff6df79e694e25917230be084e8af...
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.