OpenTechnical

OT-2026-000017603

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three 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-2026-000017603) never changes.

Identity and time

Publication numberOT-2026-000017603 · never reused
Internal UUID01a0ae6e-76ca-732f-a3e6-a0fa928c06f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017603
StatusPUBLIC

Content hashes

Canonical textc059deb104823168cf5abaa4b9eaeb099399db943423dad0e19036fa86b01320
Markdown9cf4ddb0c5876a5e34720ec841a8f659d5e07f515c79ec4f0607c9495fa35ea6
PDF
Publication pageefbdbbf567d4c2e6796f75fca9a31fb754440263491d1fdae675a12f05e4c7f7
Manifest57d270d874631cdd52366b9fb838a5e2cfea90c792d0ff8415f76e4329668b3a

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
SignaturevlUX8UxKGvvyPjiaTlC2zhse95NV+lf0njCjldSbRhBloZsS+QgMc8W9OTkAHEferzlYhWU0sAtBYHqmupaRDw==
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

2026-09-17T12:02:47.058530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017603
observed efbdbbf567d4c2e6796f75fca9a31fb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:47.039064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017603/manifest.json
observed 57d270d874631cdd52366b9fb838a5e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:47.021314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017603/publication.md
observed 9cf4ddb0c5876a5e34720ec841a8f659...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:47.004954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017603/publication.txt
observed c059deb104823168cf5abaa4b9eaeb09...
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.