OpenTechnical

OT-2026-000045791

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, 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-2026-000045791) never changes.

Identity and time

Publication numberOT-2026-000045791 · never reused
Internal UUID01a0ae7d-8f05-740a-807a-dbe7ce199743 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045791
StatusPUBLIC

Content hashes

Canonical text0356642308a1d1cafe235cf2bed3662a17c6718b00a7b8dea04c9a4ebea08637
Markdown090b99141628c9261e9161a1728c6500dd4956072194717b3fa1f26ec8b4d52e
PDF
Publication page8b2414ac2e1c924be12798e49d98a35bfd1ddecb90c9c5b2475b77a3fc1bd197
Manifestbd823d0ad442bb0d90384b87c8583846b700382b81c89fac9aaf4f6490092afa

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
Signature3VkSMKXpDLeYMjrt1rSk9qPTao2FGfnR6865BuH8mLT09GQ8h1qTD4T3/+hw2iZ+437af1RIulSnYbwuOy8gDw==
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

2026-09-17T11:09:39.296807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045791
observed 8b2414ac2e1c924be12798e49d98a35b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:39.276954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045791/manifest.json
observed bd823d0ad442bb0d90384b87c8583846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:39.259278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045791/publication.md
observed 090b99141628c9261e9161a1728c6500...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:39.240120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045791/publication.txt
observed 0356642308a1d1cafe235cf2bed3662a...
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.