OpenTechnical

OT-2026-000091294

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, 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-2026-000091294) never changes.

Identity and time

Publication numberOT-2026-000091294 · never reused
Internal UUID01a0ae9c-f16c-7a19-afaa-3167fae9bff2 · 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-2026-000091294
StatusPUBLIC

Content hashes

Canonical text16006deb51906fd8cc65ed6c8270a9a3be831c38cfa1073615f9a97f37a59bc7
Markdownffbfd626610f5d8ce445407ff159a98526eb3142971b23aaf210c73a400457e7
PDF
Publication page67d041002a617e6f15643ca36e60f4c5a62b7d84b2a40ae63439c9ce13ce9516
Manifestd0129874ff30d622e83a12ae4db66642730f2a9965ccbacc01db6672730c31b4

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
SignatureKA30SXdm63lFjyN9YZZhc+f2ph8ob585tWD67euvT9zcaiohfPqXfiecA8orkxPGUg8UY+vX9ACwVFe713tsBA==
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

2026-09-17T09:43:29.277547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091294
observed 67d041002a617e6f15643ca36e60f4c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:29.257924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091294/manifest.json
observed d0129874ff30d622e83a12ae4db66642...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:29.238671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091294/publication.md
observed ffbfd626610f5d8ce445407ff159a985...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:29.218950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091294/publication.txt
observed 16006deb51906fd8cc65ed6c8270a9a3...
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.