OpenTechnical

OT-2026-000032515

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, pulsed 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-2026-000032515) never changes.

Identity and time

Publication numberOT-2026-000032515 · never reused
Internal UUID01a0ae75-106f-7587-b8a9-e6bdf0804d39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032515
StatusPUBLIC

Content hashes

Canonical textf65f5013bcb8de01d92d6d06d9c15108c5d5f9175d70a777cbb4ed3b91bc29cf
Markdown33c34b151b1eccd1636c968cbcadcb391218750ce0c71b32314036cf37190ddd
PDF
Publication pagef74caf386c315bcc58a89dbddb54ac1906f50e8cd2feb60e059915f5c180d351
Manifest71c6c82cee17526f9419b97bca7baa1eaa5f988b4766e0c072990410881fef84

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
SignatureB07On4eF9ltOAGja56Z1HfhtE+iOKt5GKoO5E7xa10h1Z+j8jK6VpefPzu3Ctp0R78YIBWPnROFzePHNZp/UCA==
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

2026-09-17T11:33:57.544435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032515
observed f74caf386c315bcc58a89dbddb54ac19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:57.526122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032515/manifest.json
observed 71c6c82cee17526f9419b97bca7baa1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:57.506706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032515/publication.md
observed 33c34b151b1eccd1636c968cbcadcb39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:57.489037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032515/publication.txt
observed f65f5013bcb8de01d92d6d06d9c15108...
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.