OpenTechnical

OT-2026-000086741

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three stage ejector, 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-2026-000086741) never changes.

Identity and time

Publication numberOT-2026-000086741 · never reused
Internal UUID01a0ae9a-2c99-7eeb-850a-2d86ed6cc6a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086741
StatusPUBLIC

Content hashes

Canonical text386585a6e4e3591e946278842e989edb9e5aaa6c172b1c3eb12b12d38840d279
Markdowncd6304051094432752060dd3943a3153d4fd04857909a5724d8f515bab36f9ef
PDF
Publication page8392165813de09b0b414676b9f107f9076e01298a78a3ceb622e83e03123737f
Manifest762c39d67977b6b83b26233b36e28d6bc1add68b982eeb949bb428f7a6c2de37

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
SignaturegTlGJUdPhK6gNGCz/bEAGD2QjNw0WagjK7A6EJz16RnkA25g5XSkXntQOZ5Pns5bF69f6c++qT+0abHnYTDoBQ==
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

2026-09-17T09:52:37.324849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086741
observed 8392165813de09b0b414676b9f107f90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:37.306688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086741/manifest.json
observed 762c39d67977b6b83b26233b36e28d6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:37.289622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086741/publication.md
observed cd6304051094432752060dd3943a3153...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:37.271896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086741/publication.txt
observed 386585a6e4e3591e946278842e989edb...
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.