OpenTechnical

OT-2026-000091914

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six 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-2026-000091914) never changes.

Identity and time

Publication numberOT-2026-000091914 · never reused
Internal UUID01a0ae9d-43ba-70c9-8a85-84817345b154 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091914
StatusPUBLIC

Content hashes

Canonical text52a42274a447197695d8867aa288771ec0c194d9b3c65046333f2b4d65b45dca
Markdowne09101708bd15c8d57f872d140fc717ad9a5fc95870b136b2dd7fcb38a79b660
PDF
Publication pagec7f747ad2d4b6741fefc40be5a52057180b5d9b74f8f6b5c22881b8676841616
Manifest5f69c5a8a3759552e7d97fa17b4e594bcda7d358a324023f4d4939282b893d34

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
SignatureHLlO82HDbzpnvclPdrtEwTkNklYx5IA9bAsuOc14jo9NuERR7Q7uNW09uUVbvYdC06UMGKQmcPqr9Q71RbyJBQ==
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

2026-09-17T09:42:51.230128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091914
observed c7f747ad2d4b6741fefc40be5a520571...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:51.213195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091914/manifest.json
observed 5f69c5a8a3759552e7d97fa17b4e594b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:51.196047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091914/publication.md
observed e09101708bd15c8d57f872d140fc717a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:51.180502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091914/publication.txt
observed 52a42274a447197695d8867aa288771e...
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.