OpenTechnical

OT-2026-000027372

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, 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-2026-000027372) never changes.

Identity and time

Publication numberOT-2026-000027372 · never reused
Internal UUID01a0ae72-6997-7dc2-9109-a4bb68fcbb2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027372
StatusPUBLIC

Content hashes

Canonical textec89ba07fe223d11835acd1b430e87112e54ec770e3e91d0b592c0300762e341
Markdowna53b65cc8bfaa6d52ca7e1bcc5ec9e069ee478316bfc34d6249127114080399a
PDF
Publication pagee36430da8fe7ccaa557d6c3235b48bdd1eebb77aa569d7127964931be21d3418
Manifestf7367091191cf111d5459a62cb2ffc4626ea35f6689f6fbce995a27d7e1acf3f

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
SignaturetZZO8zb5puct4FDQ8VKCDQckxkQKdAgoO3QAGOt6XiLv1nDo+Xgo3cop5f46O+VHANvypCJloJUgSLZsmsNZDg==
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

2026-09-17T11:42:47.258466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027372
observed e36430da8fe7ccaa557d6c3235b48bdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:47.240291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027372/manifest.json
observed f7367091191cf111d5459a62cb2ffc46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:47.223365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027372/publication.md
observed a53b65cc8bfaa6d52ca7e1bcc5ec9e06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:47.206180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027372/publication.txt
observed ec89ba07fe223d11835acd1b430e8711...
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.