OpenTechnical

OT-2026-000048594

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000048594) never changes.

Identity and time

Publication numberOT-2026-000048594 · never reused
Internal UUID01a0ae80-4de8-7206-abb2-f9ecb31229a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048594
StatusPUBLIC

Content hashes

Canonical textbecf296364e2af9512b6230caeeb132a248d91f4652b27ec2d5bb74059f63822
Markdowne5482059b1b0bc9131b1c2210917986d2dbb3ee12c373286abaf85576bfa62db
PDF
Publication pagefaff4297dacafc57b15d93ac451cb916a9418ce116092d474d2e4cdf0f30da57
Manifest66d0e9fb0c06602c2bc8b27a083fcc88d48973b1f70e7fadae3b78a18392c2d7

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
SignaturepTnPmleRWGo5E5zUYakjGSeqQgeft9nFjmsbTfFR9anax24IuAj599lqrmY8o81NIr9RZt9G8NSB4ukVDXFqAg==
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

2026-09-17T11:05:24.299262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048594
observed faff4297dacafc57b15d93ac451cb916...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:24.280310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048594/manifest.json
observed 66d0e9fb0c06602c2bc8b27a083fcc88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:24.262011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048594/publication.md
observed e5482059b1b0bc9131b1c2210917986d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:24.243282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048594/publication.txt
observed becf296364e2af9512b6230caeeb132a...
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.