OpenTechnical

OT-2026-000043997

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000043997) never changes.

Identity and time

Publication numberOT-2026-000043997 · never reused
Internal UUID01a0ae7b-d679-7b49-9f19-fd8b06c4cced · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043997
StatusPUBLIC

Content hashes

Canonical text6c966e6702eb03354517627653f219c52d505fccac4ca5af762682c5d84a2113
Markdown3a1a934ccd19ea866be1a75c4a6b4bcafc9b7ed1d21dedc47089426ec33e0f16
PDF
Publication page65be97a67e3f35e5b194d583636af25cb652069328bf59c4d2d7e57437e8b820
Manifest3e5c313efede011b67f14222c424838a95b5c814a53d9ad0afa905b6a8578200

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
SignatureWL7W/PHejE9X8UogqGUhCNr+q9UKkSgFSGouGQ3utC0WdEm+jfTUZuJNo5b8hjrOO/0JpmjJJFt6UNQL39LDCw==
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

2026-09-17T11:12:22.278933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043997
observed 65be97a67e3f35e5b194d583636af25c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:22.257552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043997/manifest.json
observed 3e5c313efede011b67f14222c424838a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:22.239117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043997/publication.md
observed 3a1a934ccd19ea866be1a75c4a6b4bca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:22.219957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043997/publication.txt
observed 6c966e6702eb03354517627653f219c5...
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.