OpenTechnical

OT-2026-000044584

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, pulsed 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-2026-000044584) never changes.

Identity and time

Publication numberOT-2026-000044584 · never reused
Internal UUID01a0ae7c-39d9-7700-a165-7aad8e970fbf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044584
StatusPUBLIC

Content hashes

Canonical texta819c9ed6e1300ca3bd3ee46a74bc62b6d661a45152835a478c3aa03b3f3c2b2
Markdownf1ebb339db8d6b67d401a7d1993694d42b7902ca538cd42dccc252c01915fed4
PDF
Publication pageb056b2467b177680ad50f320cdc21123730b5379270d5c5fbbb631eb0b215f5c
Manifest0ef3459445eb46ff38d0d64a9450463cb0b3c80dc756961a23dc699630b745d2

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
SignaturelJqxInYJ3KON+e20ohgbgF01sWJlzKb7aEWqWjVvytWSaj8ymIf6AKV79F8o8eUis3FwJSQ72pJM/K7G1YU4Ag==
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

2026-09-17T11:11:47.042455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044584
observed b056b2467b177680ad50f320cdc21123...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:47.023060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044584/manifest.json
observed 0ef3459445eb46ff38d0d64a9450463c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:47.004025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044584/publication.md
observed f1ebb339db8d6b67d401a7d1993694d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:46.984538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044584/publication.txt
observed a819c9ed6e1300ca3bd3ee46a74bc62b...
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.