OpenTechnical

OT-2026-000085690

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, 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-2026-000085690) never changes.

Identity and time

Publication numberOT-2026-000085690 · never reused
Internal UUID01a0ae99-aaad-7c53-9b6e-8cbb9f81008b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085690
StatusPUBLIC

Content hashes

Canonical text6e5c786a7864071345f2c01f5346e29074ed13c8e365a1b8fe49983d5a0949b9
Markdownc49680b38adfdd1c57cd9e087f9a3d593844408dfec4a49da4e1e897df4d2235
PDF
Publication page4211182d5556fc9ce1f32d9eb3ec12640747ba4c0737f79ac1f21efd72ad5248
Manifest05303fddcca7dc19513e87b7212187ede405544b3b4b32c28f644abe49477358

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
SignatureHfKn9yzElf8a+alVSsGjdIr8pyylKXk7VO22zdfA55f3yJjLe7IQ7E8g9pR/c7Ybat/POK12Iadft4ACrrfsAw==
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

2026-09-17T09:54:35.482720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085690
observed 4211182d5556fc9ce1f32d9eb3ec1264...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:35.464334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085690/manifest.json
observed 05303fddcca7dc19513e87b7212187ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:35.445281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085690/publication.md
observed c49680b38adfdd1c57cd9e087f9a3d59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:35.425990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085690/publication.txt
observed 6e5c786a7864071345f2c01f5346e290...
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.