OpenTechnical

OT-2026-000020841

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000020841) never changes.

Identity and time

Publication numberOT-2026-000020841 · never reused
Internal UUID01a0ae6f-65e3-73dc-bd47-2417dafd3523 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020841
StatusPUBLIC

Content hashes

Canonical text2434c10f6e8bce3c0905b86c38dce14592404fa6f450ad3fe30550547752101d
Markdownb419bcc54b4d127c1216da988ea65b9bff98fb313d809cd8096d0f46113feb93
PDF
Publication page8a39fc22bb80d6b0620fc8af54aef8052b87231155b7064608a8ac1f20743057
Manifest47551fe56134fe5d1c8b39e1bbbe3bb5fe196c1780bf33c582a6b30fc15dd6e0

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
SignaturezGNjwSipDhyVrx3yUwVB3ZodlS9xCGjj14oQAwZ+LD2tuSsJXpTR2rTytcwTRwzzTHlh6FespGH7IjHBqajoBw==
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

2026-09-17T11:55:56.311173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020841
observed 8a39fc22bb80d6b0620fc8af54aef805...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:56.292102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020841/manifest.json
observed 47551fe56134fe5d1c8b39e1bbbe3bb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:56.274487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020841/publication.md
observed b419bcc54b4d127c1216da988ea65b9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:56.257360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020841/publication.txt
observed 2434c10f6e8bce3c0905b86c38dce145...
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.