OpenTechnical

OT-2026-000091460

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, 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-2026-000091460) never changes.

Identity and time

Publication numberOT-2026-000091460 · never reused
Internal UUID01a0ae9c-f16d-7431-9f36-8bdd02318a69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091460
StatusPUBLIC

Content hashes

Canonical textf225084d33037b4b321d4373d00d755a1089a16c8adfc123b6bb508d69b30585
Markdown23c72c77cd69e92e4f8fd57afa34e0391ba6c3874150a0a343a35088f6a81ce2
PDF
Publication page13903be43f234800c63f457d2590441d1ca9b160ca9c6dcc69c525109fc26360
Manifest33ad7f5e810ffe9960bf876784418700a62b97813ced6a3e357af0368058f64c

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
SignaturembZEwlMIvx08kWsEMGYsZttoEWdIKetyYPZXI7owUL7+SKsnCkMpcJsmCaetjmaWuTtspY7hNCE9FhF3k4s1DQ==
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

2026-09-17T09:43:42.739185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091460
observed 13903be43f234800c63f457d2590441d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:42.724395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091460/manifest.json
observed 33ad7f5e810ffe9960bf876784418700...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:42.707003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091460/publication.md
observed 23c72c77cd69e92e4f8fd57afa34e039...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:42.688553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091460/publication.txt
observed f225084d33037b4b321d4373d00d755a...
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.