OpenTechnical

OT-2026-000091443

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000091443) never changes.

Identity and time

Publication numberOT-2026-000091443 · never reused
Internal UUID01a0ae9c-f16d-756a-b094-e069fc5fddac · 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-2026-000091443
StatusPUBLIC

Content hashes

Canonical text57b725883d4814141a5df20653b6791174a6f29644016d3960a2821bd57db66f
Markdown1e4dcf5c1ac6b8b7d0c57217b1131ff368f4e498054df0a6c2cff06e508ee049
PDF
Publication page7890afb16da276d0459067d75d8e60fcb9f49063a9aba4cc125afbecffaf7351
Manifest2cdf55a67c45015ddbf4b809ad5c948df2963d45564926f2136d60fda7038520

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
Signaturezqo+lrMD+FqAEHlCC9ZZzaC+oCO02ToCA7lxwwDH+tm+Scr8jHosBAMlKJMEXxCwCbOxruHjzjGUtHe5foT1Dw==
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

2026-09-17T09:43:41.434765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091443
observed 7890afb16da276d0459067d75d8e60fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:41.418001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091443/manifest.json
observed 2cdf55a67c45015ddbf4b809ad5c948d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:41.399644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091443/publication.md
observed 1e4dcf5c1ac6b8b7d0c57217b1131ff3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:41.379387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091443/publication.txt
observed 57b725883d4814141a5df20653b67911...
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.