OpenTechnical

OT-2026-000033305

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two 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-2026-000033305) never changes.

Identity and time

Publication numberOT-2026-000033305 · never reused
Internal UUID01a0ae75-8980-7775-b0c9-b942f534f857 · 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-2026-000033305
StatusPUBLIC

Content hashes

Canonical text63627b11b1b05b1d29ac7e632d6752ac677383415423a18b74cbe3608148ef98
Markdowna2b249bec54d66dfcd761c971e4306b54879120e16ec6a0c645ccb474df2b0dc
PDF
Publication pagedc3d6f7a9eeb60eaf8e64b361705996ec17357ee87ce0649913a9b7951b16d37
Manifest34ebdc0cd87a9e520980a245a48b98eea4154341596f9f258d157e0f7d35ad74

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
SignatureJWU1Gb1aSd4U88eJL/89Nx8cABxcxYrEzFP3wDJ7t9VVyp/2KSIr+lTEsWInRmtPNb2yyZVI2KXG3M8QhI40Bg==
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

2026-09-17T11:32:03.124439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033305
observed dc3d6f7a9eeb60eaf8e64b361705996e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:03.107641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033305/manifest.json
observed 34ebdc0cd87a9e520980a245a48b98ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:03.090935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033305/publication.md
observed a2b249bec54d66dfcd761c971e4306b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:03.074954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033305/publication.txt
observed 63627b11b1b05b1d29ac7e632d6752ac...
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.