OpenTechnical

OT-2026-000046015

Publication integrity record

Four cup vacuum gripper, four zone face, three 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-2026-000046015) never changes.

Identity and time

Publication numberOT-2026-000046015 · never reused
Internal UUID01a0ae7e-0329-7230-84c0-ca8aaa145aab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046015
StatusPUBLIC

Content hashes

Canonical textbd5d4c2bd5f5a4aaa07cb7590e094c0a65ec8d1f67c4e3b7a02117d6a1c2232e
Markdown3435a0b0d9ac4240f67db626b0ed4d62a06323229e8049c1f51691e9e7fcba84
PDF
Publication page377c4685535b6f7f3341d83b6ae3a66a8335da0e7461eb023f70fbc38cbd987f
Manifest0e6586a6948f2915f70e23bcd206bce595d4025139228ead58b18db2143e3440

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
SignaturerJxzBYIct17rPYlA4ubr5pTHyMXdb2buk8z636Q8jA1T62YJ4yaAiDmZPVOGXvBUazSF7Z6ueunawbRqApPHAQ==
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

2026-09-17T11:08:57.558550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046015
observed 377c4685535b6f7f3341d83b6ae3a66a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:57.539056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046015/manifest.json
observed 0e6586a6948f2915f70e23bcd206bce5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:57.520469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046015/publication.md
observed 3435a0b0d9ac4240f67db626b0ed4d62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:57.500291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046015/publication.txt
observed bd5d4c2bd5f5a4aaa07cb7590e094c0a...
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.