OpenTechnical

OT-2026-000048081

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000048081) never changes.

Identity and time

Publication numberOT-2026-000048081 · never reused
Internal UUID01a0ae7f-c423-715a-9f13-31143d07bfb0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048081
StatusPUBLIC

Content hashes

Canonical text7342c61c5f7e3b2179ef67bd8611fe32e83f188a3d99ee5c0feddb363751689b
Markdown989f6f635efbe83d3ae45fb87b7de56984896528cf4059867b7f785b66eea8c9
PDF
Publication page13082fc0587cc3d95fe039bf72796138d6a60710068f1c7ed64a11aa51329fd9
Manifest7fc0cfb40d4e47afeded0a952568642f573a2be63b0b9bf2fc1638d3a0298cf8

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
Signatureht9sDi+xKO2xDV5OHWy0oUPEXj+4nwU4TuIR2AXQEgAq0JmM3+0r7T/aLe8BMYQM8OS8dDTw8vLwtYQ73CgNBw==
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

2026-09-17T11:06:05.984534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048081
observed 13082fc0587cc3d95fe039bf72796138...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:05.967568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048081/manifest.json
observed 7fc0cfb40d4e47afeded0a952568642f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:05.945802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048081/publication.md
observed 989f6f635efbe83d3ae45fb87b7de569...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:05.926044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048081/publication.txt
observed 7342c61c5f7e3b2179ef67bd8611fe32...
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.