OpenTechnical

OT-2026-000087166

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, sustained 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-2026-000087166) never changes.

Identity and time

Publication numberOT-2026-000087166 · never reused
Internal UUID01a0ae9a-9f2e-7d45-8b15-7178656e1ce9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087166
StatusPUBLIC

Content hashes

Canonical text43f880aa766ca05328415dfb7ebd3531d4f4f6fe51a0268ccd5f8b2e3cc16494
Markdown7b276016f777845618093b00b7a392f35affa13e2aefc75e1be8f341644d0bbb
PDF
Publication page19e1f3ebec8cb46dccd2b7d64a4c2101bad895f3ee1e606e25bfe8be641f7663
Manifest2adcc75f6f8686f4a2023f19409c6fcf0a0e93d606f38cc3493c641b8c8753e0

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
Signature6v1QIryRf/FfXZTLL5jc0bFLTHs1xKy+vQkD768W7k6Yq+SoJdfsAX6FsE1Ffpw4IY0e9rQ6RQuxiofq/2BNAA==
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

2026-09-17T09:51:26.074303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087166
observed 19e1f3ebec8cb46dccd2b7d64a4c2101...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:26.056946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087166/manifest.json
observed 2adcc75f6f8686f4a2023f19409c6fcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:26.040434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087166/publication.md
observed 7b276016f777845618093b00b7a392f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:26.025182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087166/publication.txt
observed 43f880aa766ca05328415dfb7ebd3531...
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.