OpenTechnical

OT-2026-000040525

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, sustained blow-off 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-2026-000040525) never changes.

Identity and time

Publication numberOT-2026-000040525 · never reused
Internal UUID01a0ae79-6d0d-728d-9c08-e11905a56eac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040525
StatusPUBLIC

Content hashes

Canonical text9467ad35386645f2335b65b4b57f345cfd89c1c6330bc84fcfe2fe1889d5f517
Markdown1e24cef691aa4f254a065d6a2202b00670f59c2d9bf06716cd58bead8f052447
PDF
Publication page156b8cab69d5e0b769f1e4f596d9f538d7c6a58451dff0f004d6437a79e6fb1a
Manifestb05c4fe7e39ff6d6f62a78a2ed1b3de2fc013d7edd4273a84c18483f5e79bbcc

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
SignatureqYMQTY8xp/493qfemro7PQcsKGhFHEkNaR7kvMq1gTrvPuteDMx9OSYS0qYD9bWlWq8aCtqQ7vvVWVvhSSsXCg==
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

2026-09-17T11:17:40.402012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040525
observed 156b8cab69d5e0b769f1e4f596d9f538...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:40.385473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040525/manifest.json
observed b05c4fe7e39ff6d6f62a78a2ed1b3de2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:40.364905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040525/publication.md
observed 1e24cef691aa4f254a065d6a2202b006...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:40.312137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040525/publication.txt
observed 9467ad35386645f2335b65b4b57f345c...
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.