OpenTechnical

OT-2026-000070173

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, 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-2026-000070173) never changes.

Identity and time

Publication numberOT-2026-000070173 · never reused
Internal UUID01a0ae91-1862-79b1-9f86-48929c10caf6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070173
StatusPUBLIC

Content hashes

Canonical text0e952cdcfde81e57f534f89ed372c4870e0dc6754e1951ac7090b129c38491e7
Markdown7ed3b60346eace1f05557f4d4a35eb6db0a41f7fd6dec6bb1088a0d94251c191
PDF
Publication page3fcebb200a3bf9d5c87628322f5b311f5717ffe07d174aacf0048bae8ffdc008
Manifesta1b845a86c981f36a6a306413eca43960ac5308ef4bd2ab2f3648cad38708d2a

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
SignatureeQmYF9CtpWWrhTpPBI0nfX31TahKQO6PDpzuFVvUxdznB2ETHGO3v5B2jxHEIg0DHzHneI5VNVKfNGZ8x+XFCg==
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

2026-09-17T10:27:13.481637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070173
observed 3fcebb200a3bf9d5c87628322f5b311f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:13.464400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070173/manifest.json
observed a1b845a86c981f36a6a306413eca4396...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:13.445939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070173/publication.md
observed 7ed3b60346eace1f05557f4d4a35eb6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:13.429033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070173/publication.txt
observed 0e952cdcfde81e57f534f89ed372c487...
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.