OpenTechnical

OT-2026-000033501

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000033501) never changes.

Identity and time

Publication numberOT-2026-000033501 · never reused
Internal UUID01a0ae75-a38e-7a34-a4ff-184e471371fe · 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-2026-000033501
StatusPUBLIC

Content hashes

Canonical text9bdf6212fe4792848e2a363f6be5cde216bc0b87c94ba8a6a539841937d57b23
Markdown314e1cfa43f224e1d0f252f4505373a3765871c643ec2300c1ee1f50b3366097
PDF
Publication page5f6fdf703188725e27e540e3631350bed276d839e721a8affa64bdf793ce35a2
Manifest5617c17ffe5adb32375d3409eb8d8b4b607413476e336393c8e7b8e3e9690bd5

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
SignatureOqgWkESv/9SFMtZMCPMg75RLUIGeBV51vqy9AqME3ENyipWDDP+506e5I8uaSJDEZ6qIgGUhWmb2p8290mknBQ==
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

2026-09-17T11:31:21.120890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033501
observed 5f6fdf703188725e27e540e3631350be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:21.102260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033501/manifest.json
observed 5617c17ffe5adb32375d3409eb8d8b4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:21.084674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033501/publication.md
observed 314e1cfa43f224e1d0f252f4505373a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:21.067646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033501/publication.txt
observed 9bdf6212fe4792848e2a363f6be5cde2...
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.