OpenTechnical

OT-2026-000071586

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, vented 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-2026-000071586) never changes.

Identity and time

Publication numberOT-2026-000071586 · never reused
Internal UUID01a0ae91-e0ee-72be-a103-738f94cd30b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071586
StatusPUBLIC

Content hashes

Canonical text74b2c04537d0344494617d07af996338d1c4b054af14db63980d6881c88ce718
Markdown965a8db803ee0c3c2159337f30e157bbb9a9aadda89963db424103bc074f564f
PDF
Publication paged332d08d3228f802f1162714e63eb416b33b5ab9871fc7fa9259ecd0611de032
Manifestd5fdf617fbf5eea2a644af5db50b8db50f06a7f0e75db15b195556206726f672

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
Signature5diENQnGibbluF/jE3oDfyiwkhXzhkDRiVmZcMLQqjgJuYhYeL/jtNl9sV0BjfqIhc203rTRzYb2+F36nWanCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:13.963903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071586
observed d332d08d3228f802f1162714e63eb416...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:13.945167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071586/manifest.json
observed d5fdf617fbf5eea2a644af5db50b8db5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:13.928030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071586/publication.md
observed 965a8db803ee0c3c2159337f30e157bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:13.911598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071586/publication.txt
observed 74b2c04537d0344494617d07af996338...
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.