OpenTechnical

OT-2026-000018311

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, 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-2026-000018311) never changes.

Identity and time

Publication numberOT-2026-000018311 · never reused
Internal UUID01a0ae6e-b489-71d3-ac18-db9a9ee19eda · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018311
StatusPUBLIC

Content hashes

Canonical text66a589d86b65837a28a5709d2241adecd99c20db8cef2ace0590c9ac3a57a4da
Markdown2bb2be9291bb2d4c45642339a103c4b4e62e523db923555331f08c45e95fdae0
PDF
Publication pageb6f731ee7c2c2176becbc355d0aac29dbbce20a0210d06c58ac75c7f0b54cbf3
Manifest73eef25bd47458c7f2c5a56678ad277964ea3722619d3e14d6dc493a3b0481d8

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
Signature+NJGaWhEpNGEsdaSGaj0oIwC5RCFSzrjJ5Nb/0r3syvm5tf+wh8I7WLq1D4tjpr6O2H2o7JZgEUFD77bmaxgDA==
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

2026-09-17T12:01:02.857646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018311
observed b6f731ee7c2c2176becbc355d0aac29d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:02.838654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018311/manifest.json
observed 73eef25bd47458c7f2c5a56678ad2779...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:02.820818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018311/publication.md
observed 2bb2be9291bb2d4c45642339a103c4b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:02.802677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018311/publication.txt
observed 66a589d86b65837a28a5709d2241adec...
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.