OpenTechnical

OT-2026-000036943

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000036943) never changes.

Identity and time

Publication numberOT-2026-000036943 · never reused
Internal UUID01a0ae77-773f-77ea-93c7-6e00d126bcc8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036943
StatusPUBLIC

Content hashes

Canonical text0b462377348aac813505bbd1c7f7154103a4c458dc231ab20b651242327f8894
Markdown2c17b5f3c9d9172fd926d0995e46dd2a85eaedfb07b1b5ce9f2bbf8b2f75d137
PDF
Publication page94417f0be53062e1fe3d6733a047cc1316bcd1bd027aa472d47aa8c700b9397a
Manifestbd737043a4b2aa672f967ce6a64a3bcbe1694b8ef6dab93b5208797024520956

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
SignatureUXY5VYyZYR9I3eTvhYLC4681AO44dqy+7pPgzM+IL6PZbQLiUDvrRxfXr5klCM3yP0RpWNOlZmo74qLa/eWqCg==
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

2026-09-17T11:24:35.549116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036943
observed 94417f0be53062e1fe3d6733a047cc13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:35.527435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036943/manifest.json
observed bd737043a4b2aa672f967ce6a64a3bcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:35.508684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036943/publication.md
observed 2c17b5f3c9d9172fd926d0995e46dd2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:35.490518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036943/publication.txt
observed 0b462377348aac813505bbd1c7f71541...
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.