OpenTechnical

OT-2026-000006037

Publication integrity record

Bellows cup vacuum gripper, three stage ejector, vented before set down, plastic cups, 1 fold

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-2026-000006037) never changes.

Identity and time

Publication numberOT-2026-000006037 · never reused
Internal UUID01a0a94d-0ece-77f9-91f6-e45bd4c6d795 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:19:54.705421Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006037
StatusPUBLIC

Content hashes

Canonical text88a379cb2a83417e04276ab93f772fa44175c23075d54ffcb4f1a967a929acf8
Markdownda5a4a64767e9e5ded38b1c33247b320c65a498f92e4f699f63f3cea5d786c7d
PDF
Publication page4634a21a026bb40eebd01ec412ff60c80d1c8ed6137d656189eaca8b2cd02e00
Manifest4ab57e46c886afc2a84b0d4462d351b90b1010fad5991f69a2f8e71d2d994b13

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
SignatureCwFnlp5E5NnlV9fnZty+xF573Q7iKIU6hWYM+8JspO0ZXSdyAAU45fBKsxNjuXSokiizLK04IvyYewlMbNB7Ag==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:02.464316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006037
observed 4634a21a026bb40eebd01ec412ff60c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:02.448438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006037/manifest.json
observed 4ab57e46c886afc2a84b0d4462d351b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:02.433312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006037/publication.md
observed da5a4a64767e9e5ded38b1c33247b320...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:02.415546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006037/publication.txt
observed 88a379cb2a83417e04276ab93f772fa4...
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.