OpenTechnical

OT-2026-000018279

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000018279) never changes.

Identity and time

Publication numberOT-2026-000018279 · never reused
Internal UUID01a0ae6e-b488-729b-8030-9bac617dbf60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018279
StatusPUBLIC

Content hashes

Canonical texta777df6c9e7af7a973d6d43ad0f3ea538f2bbc1162e68553f31bd4645c0b6ea0
Markdown1c803bdd110ab73e1747f7272fb1fcc7228d461bd85a3ddcbb7f98a4a983fa64
PDF
Publication page217406a674172a6efe0255e447811e10888c469e43681f3e14555f79e3954cb9
Manifestedb8eb900bf000cbc93e463287029427a1ae6081bb167de84fb04ceeae55689a

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
Signature6ftSsjLMkJqnjrVZzo0rTYZr+Gtyhjg5TlTXGc6+ZxPLm+Zdzn6Ku5rgXLq6c0lKLIwpsIGwKQ1JTOQBNkTaDg==
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

2026-09-17T12:00:08.116155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018279
observed 217406a674172a6efe0255e447811e10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:08.093674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018279/manifest.json
observed edb8eb900bf000cbc93e463287029427...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:08.071631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018279/publication.md
observed 1c803bdd110ab73e1747f7272fb1fcc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:08.049180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018279/publication.txt
observed a777df6c9e7af7a973d6d43ad0f3ea53...
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.