OpenTechnical

OT-2026-000033603

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000033603) never changes.

Identity and time

Publication numberOT-2026-000033603 · never reused
Internal UUID01a0ae75-a38f-7ea4-8e88-53d3483a0a71 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033603
StatusPUBLIC

Content hashes

Canonical text48cb36cdd5c71d2231303383ea225c71ea0b88eb88db1783a435e877f707dc1b
Markdownc9d161725652aa6d8c87047facf75e6c38c5c7463be26e98be6490c2ecb88b36
PDF
Publication page13b8e2293330d8343fc9b62fa0a2f610062114115fdca552505bc493af26e199
Manifest3c04499af5611b25e363f250b5902b43cf5b84956fc7efaa04e38b62128bc673

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
Signaturejx5oEboBpdRJ6NIs8dJN3IVZp6QvTDB/T6TgUVBa405UeDE6DovHpkIFcDguGu/OAgKe+Gvp5FDp9ktthjW+AA==
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

2026-09-17T11:31:34.372632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033603
observed 13b8e2293330d8343fc9b62fa0a2f610...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:34.352845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033603/manifest.json
observed 3c04499af5611b25e363f250b5902b43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:34.332614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033603/publication.md
observed c9d161725652aa6d8c87047facf75e6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:34.314775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033603/publication.txt
observed 48cb36cdd5c71d2231303383ea225c71...
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.