OpenTechnical

OT-2026-000009582

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, vented 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-2026-000009582) never changes.

Identity and time

Publication numberOT-2026-000009582 · never reused
Internal UUID01a0ae6b-7563-790e-a2d5-45696adc56c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009582
StatusPUBLIC

Content hashes

Canonical text2a19bcf0f6d69fd8c0183a063d377233152bc1390057dee00282af506bf8715d
Markdown2f265c4a6e37f6d564cb18491a19e6e8cb3102787d26eea9860a1b2e5e60a8c4
PDF
Publication page8e2119dab5e4a351221f5ef1a68589ad7edb417412e4dbdc756371a1de36b995
Manifest24761c03e620cd3a2ba963d7e29f5e560968f15af4c625b4b1f0882c4b7c96c1

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
SignatureiWNN4kH4DJU5xWyhYM05lZqaJO+xFBAh9njrTl56U9JbRxT0V9oSwH0sr+vOTx4o4zknsdBVWPoVyfobBPlTBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:01.318444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009582
observed 8e2119dab5e4a351221f5ef1a68589ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:01.299984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009582/manifest.json
observed 24761c03e620cd3a2ba963d7e29f5e56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:01.281519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009582/publication.md
observed 2f265c4a6e37f6d564cb18491a19e6e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:01.262609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009582/publication.txt
observed 2a19bcf0f6d69fd8c0183a063d377233...
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.