OpenTechnical

OT-2026-000090198

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000090198) never changes.

Identity and time

Publication numberOT-2026-000090198 · never reused
Internal UUID01a0ae9c-428f-7677-86b5-3026c454b170 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090198
StatusPUBLIC

Content hashes

Canonical texte6da5fcf04f4865212263b7dba98cdf5c82343afd4be9bfd3ce21bd93d7e6929
Markdown1006b63b32e674dfcc18746d26c7802432bc4697aba503cba0d192b9c79af91e
PDF
Publication pageac29356536ce1e099b8ced8d2d004e7586745babc259a28ffcdaddab64f9ce98
Manifest7784f2573b37b2a69475d0297cee3b3b43df3c6777d3ca0cfd844db2400f8cc9

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
SignaturevbvmweLaLtCmz/ZMJaDI0fIhv+mFwYSw/THYnWCQTgAXSvP2sxyid+aq5x75037Lk5gNOunSgZ2t4otQ/G5FBQ==
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

2026-09-17T09:46:16.271669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090198
observed ac29356536ce1e099b8ced8d2d004e75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:16.253997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090198/manifest.json
observed 7784f2573b37b2a69475d0297cee3b3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:16.236298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090198/publication.md
observed 1006b63b32e674dfcc18746d26c78024...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:16.218094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090198/publication.txt
observed e6da5fcf04f4865212263b7dba98cdf5...
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.