OpenTechnical

OT-2026-000100181

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two 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-2026-000100181) never changes.

Identity and time

Publication numberOT-2026-000100181 · never reused
Internal UUID01a0aea3-3052-77b3-b8ed-a67020bfdeb1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100181
StatusPUBLIC

Content hashes

Canonical text7183d878a761536de129c31ce6c008a163dcf5c383ab12058169882bee7acbde
Markdown28674ddab5db52163924c4cced76f69d3781db25a5fba3f002251ff0e82eb7c4
PDF
Publication page5c6a9dcecbe92b4c5dee50802bb13eb4aa9668f2f1324f2d9ce6e47ab295addf
Manifest113b0e1369805ed5b78ec2f91586b806bb96f923c38164923ca19a0145d6c59c

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
SignaturezJAxfd+Abu0M/TiAY2mt/56ZxJe2MOSk9EtNy99r4KgdAtRz9oHNJGj9AcbWP2f7pk63wLj47RNcri2JFMZvDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:53.706673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100181
observed 5c6a9dcecbe92b4c5dee50802bb13eb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:53.689155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100181/manifest.json
observed 113b0e1369805ed5b78ec2f91586b806...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:53.670619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100181/publication.md
observed 28674ddab5db52163924c4cced76f69d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:53.652712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100181/publication.txt
observed 7183d878a761536de129c31ce6c008a1...
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.