OpenTechnical

OT-2026-000041744

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, pulsed blow-off after 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-2026-000041744) never changes.

Identity and time

Publication numberOT-2026-000041744 · never reused
Internal UUID01a0ae79-e8a1-7014-a663-952a4f9249b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041744
StatusPUBLIC

Content hashes

Canonical textfda54e09953786bdcf7a3b2116a7804e3464c26e799fa31fbd1b9d7505952b60
Markdown6b230e8dc8c2779b7c13381a23c052600ccf2fbc2e2fa743817b2345f790a9ae
PDF
Publication pageb63e7aa00c6e091db2ca4775309ed4c983c88518c106170788fc882b1b287544
Manifest64fe6cdd0e1b78200038a6fbc189527badcf57863b2172c1e899d3012b221ced

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
Signaturev1j4eX8xWAtmN5V5y/Un6/iNVrj3wnMwQFysnAUlfkXxTGE8JMVm4724gO5nz6Ze3OJ0jRUMi4ac/rUNUTmkCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:35.254120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041744
observed b63e7aa00c6e091db2ca4775309ed4c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:35.237315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041744/manifest.json
observed 64fe6cdd0e1b78200038a6fbc189527b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:35.220906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041744/publication.md
observed 6b230e8dc8c2779b7c13381a23c05260...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:35.204429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041744/publication.txt
observed fda54e09953786bdcf7a3b2116a7804e...
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.