OpenTechnical

OT-2026-000070575

Publication integrity record

Four cup vacuum gripper, four zone face, 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-2026-000070575) never changes.

Identity and time

Publication numberOT-2026-000070575 · never reused
Internal UUID01a0ae91-5460-741c-85e4-5da8d3367ee0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070575
StatusPUBLIC

Content hashes

Canonical text06d3cef16f6a56843108223676886e6f0f52bd1beb2bf538fb00e4112558392e
Markdown399f076ac8a86b6f80f24d34c0fd273c8ee90c1a4b639a063a427339ee4677fe
PDF
Publication pagea4d50b7429d5854154ae0f2752e4b88877331d1b0f3e6afc017a2d69acb59adf
Manifest790e2a4206622f5f32bad1aa10aa5324a000a3b710ddbcb512d1a85b259e6310

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
Signaturehaw9ey2He1L8CG1dfWSg2xfn2MYTuA76dBaBYblVSGXTKMDrdkzQMP81JnRusQaSCPCfqP+Q93mhXdeZ4GM7CA==
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

2026-09-17T10:26:25.632981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070575
observed a4d50b7429d5854154ae0f2752e4b888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:25.616814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070575/manifest.json
observed 790e2a4206622f5f32bad1aa10aa5324...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:25.600127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070575/publication.md
observed 399f076ac8a86b6f80f24d34c0fd273c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:25.581957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070575/publication.txt
observed 06d3cef16f6a56843108223676886e6f...
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.