OpenTechnical

OT-2026-000044360

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, pulsed blow-off after 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-2026-000044360) never changes.

Identity and time

Publication numberOT-2026-000044360 · never reused
Internal UUID01a0ae7c-39d7-7565-8ff9-d972febd1b01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044360
StatusPUBLIC

Content hashes

Canonical textcb9e0b718c5b9f83b085410821951268676f94d0bf04fadfdf25ee1ea0f1a32d
Markdownb6b6b67ce5826538e7f039f82534c29a7fc0c7eed8d9f15d6b4b81096dbd02e1
PDF
Publication pagea9090d21fd1124ced42794a0275dbdfa75a786e4a211fce2ba7acf1cd9129f98
Manifest53a1847ebf5ccd06f355756774d0b2408dab6b49bb7d87ae24e804e166200544

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
SignatureW1X5LXIx9qo0e0TVbIP/CceVYIY0ux9x9iuqmjzVSyXFv0SC4eaxBKXVV4M9RentymYpygE6clX8Hwlk0zynCA==
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

2026-09-17T08:30:28.808316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044360
observed a9090d21fd1124ced42794a0275dbdfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:28.788628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044360/manifest.json
observed 53a1847ebf5ccd06f355756774d0b240...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:28.772130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044360/publication.md
observed b6b6b67ce5826538e7f039f82534c29a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:28.755129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044360/publication.txt
observed cb9e0b718c5b9f83b085410821951268...
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.