OpenTechnical

OT-2026-000047800

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed 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-2026-000047800) never changes.

Identity and time

Publication numberOT-2026-000047800 · never reused
Internal UUID01a0ae7f-c420-7fd4-b636-43ad82ac6ada · 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-2026-000047800
StatusPUBLIC

Content hashes

Canonical textbd7c90b2f76cd30d91dda9b6917f8ad552f9b9907f761639526498b2a170e969
Markdown629c7063acde987ae1a76031184e880f8b0aaad08b6757b389f9d9fc9c541686
PDF
Publication page880bdf1dae72b75be0272d2f38e7fb5c5fc3508481d9bd30ef0155d64d843fe7
Manifest8e74f74c75ac5f40aecc9d8b3ddb00b6a42c5c1440b687033b2e6a6ed3ba924e

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
SignatureU4DnBW9VwvhAElQwg5z2WnKY0b2jzOF73RyY1Zid1VSRWhytRwvgFyuNX+Hj2HsEUM4IOa7vJ27o/rqNJlaXCA==
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

2026-09-17T11:05:42.098509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047800
observed 880bdf1dae72b75be0272d2f38e7fb5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:42.078918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047800/manifest.json
observed 8e74f74c75ac5f40aecc9d8b3ddb00b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:42.061436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047800/publication.md
observed 629c7063acde987ae1a76031184e880f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:42.044269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047800/publication.txt
observed bd7c90b2f76cd30d91dda9b6917f8ad5...
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.