OpenTechnical

OT-2026-000011085

Publication integrity record

Single bellows cup vacuum gripper, pump fed, vented after 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-2026-000011085) never changes.

Identity and time

Publication numberOT-2026-000011085 · never reused
Internal UUID01a0ae6c-540f-74b7-9093-0f0569d60c8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011085
StatusPUBLIC

Content hashes

Canonical textad191ca45a198a8a22ca4215f06b1fdae8f598aaa6f50c5fc8d84bb50a12d25e
Markdown72a783dc5830698b9119894b2fde38d2a38071f24d3ef8a26accf89b308aa30d
PDF
Publication page7105e15e2c3e8e6d9ea13ed43642f20a304cd67ba0e02f189d4dbc205dc64ee3
Manifestcee6e60775a1d6bfbcba06dea6794e4687ae4a7351530251fc95937b55bed65b

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
SignatureEx4FI4B37Sqo0Do2vSWFeR3lI53OJAW54mXSenXLmyGAqNu7YtLjdr+noWvu79noAwY7XVFVcwGgBekgxwnXAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:13:55.497583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011085
observed 7105e15e2c3e8e6d9ea13ed43642f20a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:55.478953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011085/manifest.json
observed cee6e60775a1d6bfbcba06dea6794e46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:55.458039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011085/publication.md
observed 72a783dc5830698b9119894b2fde38d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:55.436805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011085/publication.txt
observed ad191ca45a198a8a22ca4215f06b1fda...
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.