OpenTechnical

OT-2026-000022483

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, pulsed 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-2026-000022483) never changes.

Identity and time

Publication numberOT-2026-000022483 · never reused
Internal UUID01a0ae6f-f4fe-7a80-a0cd-89dcf5c876e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022483
StatusPUBLIC

Content hashes

Canonical text059a9a241574e9b1bf45b9f14d5ae2398cecead0925850ffa6dc846cc6e3726b
Markdown1f4d5895708168e034643b20222af01f14c2a81a55d7c0d5f41360e9b498b87f
PDF
Publication pagea9110ed5157d94a209a93ef9abd977bcfb2c736e0b6efdf400e4d6ad2391a805
Manifest1a9bd925f27e964051339e045f88376ae660ac29a0814bdefd504302d32d29ec

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
SignatureSA2m+Ty208Pjl/iuLPoQXe2W9+Ji8FdkIhaiXPy5Bt7CADOQhHzHjVES8b7jttgI8aEvwIT2AybtMtbnnGoXDA==
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

2026-09-17T11:53:53.315003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022483
observed a9110ed5157d94a209a93ef9abd977bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:53.297149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022483/manifest.json
observed 1a9bd925f27e964051339e045f88376a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:53.278466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022483/publication.md
observed 1f4d5895708168e034643b20222af01f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:53.259813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022483/publication.txt
observed 059a9a241574e9b1bf45b9f14d5ae239...
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.