OpenTechnical

OT-2026-000087158

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single 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-2026-000087158) never changes.

Identity and time

Publication numberOT-2026-000087158 · never reused
Internal UUID01a0ae9a-9f2e-72b4-8574-c8c8ad4de972 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087158
StatusPUBLIC

Content hashes

Canonical text12b9cf3704dbcff5d5eecc569f4d9ad1fe6fa7d0859580415863dc9c89d6defc
Markdowncd30cbe59f999f245bcb62604ac72ff04a7669e654471d2677ba8c0aebed6598
PDF
Publication pageb219c517116bba4186a612530a6cb025bf3183f43cd6194539a0d188d3e8418c
Manifest133ed78d9f8668821db5ecef1c75682a7b2c53f03322cd19ad399a02f15cb5a0

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
Signature4Qgwx8twgU2WVPFyi2QeATcTYsuWgkaWGtshaXA07IPdOaixG7eQJsHYOeXgAZT0VZTYsGqXTBE2c8IG6+CVDQ==
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

2026-09-17T09:51:25.485027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087158
observed b219c517116bba4186a612530a6cb025...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:25.469572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087158/manifest.json
observed 133ed78d9f8668821db5ecef1c75682a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:25.453363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087158/publication.md
observed cd30cbe59f999f245bcb62604ac72ff0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:25.436858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087158/publication.txt
observed 12b9cf3704dbcff5d5eecc569f4d9ad1...
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.