OpenTechnical

OT-2026-000029068

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, sustained 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-2026-000029068) never changes.

Identity and time

Publication numberOT-2026-000029068 · never reused
Internal UUID01a0ae73-2a9f-7388-93de-c8ad52e98eb4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029068
StatusPUBLIC

Content hashes

Canonical textadf11326ea12e118cd9ce75db42d7525002949c4f8fed10a338b5a789aabd2ea
Markdown831a8da32e6cfbb1988893168d35eb9729aac1de68b151d141c9c7a3ad28459b
PDF
Publication pageea6484602752b97fae01e345d7e0cbc622b024982ff912689c2545845dd9798e
Manifest14fe773072963557f1d580770b744dd7ec16b251475f08caa965dea150cf364f

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
Signature17W2JxbkOa1tPuSQYEVH22rZSO3FuP5n2x48vgvAONUKDvGO5xaM6juYi4BewrJUIX17FlYB8iL7T4/sLi8XAQ==
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

2026-09-17T08:20:44.957779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029068
observed ea6484602752b97fae01e345d7e0cbc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:44.939857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029068/manifest.json
observed 14fe773072963557f1d580770b744dd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:44.815081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029068/publication.md
observed 831a8da32e6cfbb1988893168d35eb97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:44.799197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029068/publication.txt
observed adf11326ea12e118cd9ce75db42d7525...
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.