OpenTechnical

OT-2026-000033379

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, pulsed blow-off before set-down

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-2026-000033379) never changes.

Identity and time

Publication numberOT-2026-000033379 · never reused
Internal UUID01a0ae75-8980-7b08-a491-ec5a1ee85193 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033379
StatusPUBLIC

Content hashes

Canonical text7401be33c3af9007d93be2c4649c2e2555593372fb75c2d09f68cee5a4b418f8
Markdown781f58a0690ed065a36266101fcc5f322b69f94ef160ff15786bfb3b9c79e9a3
PDF
Publication page71666337fbc052435bf5a3024e7a9af21cc88733a5840bd7b16b4db371252e56
Manifest34214b7000bf98296f43ae8032e003f6a967d687eee389a0277621a804562e86

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
SignatureOMdUxIsre/ofd9J7e26tJHLh2FLqgaMDPajHqce1X2VnDUysIHd336HOskdOdESUNYDQ80rlXlbVH4gAaKxNDQ==
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

2026-09-17T11:32:09.133223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033379
observed 71666337fbc052435bf5a3024e7a9af2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:09.114191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033379/manifest.json
observed 34214b7000bf98296f43ae8032e003f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:09.093831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033379/publication.md
observed 781f58a0690ed065a36266101fcc5f32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:09.076767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033379/publication.txt
observed 7401be33c3af9007d93be2c4649c2e25...
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.