OpenTechnical

OT-2026-000049700

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single 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-2026-000049700) never changes.

Identity and time

Publication numberOT-2026-000049700 · never reused
Internal UUID01a0ae81-8fee-7bd4-bc22-12b9e6dc7d4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049700
StatusPUBLIC

Content hashes

Canonical text70d81d015b48b81c3b393cb25eb48555cef77ec7a379c1d75bc6a0bd97ed1805
Markdown5448db012c7650c2ed891227e4207dfd825bbcacddf1c2ae938f402b068750e8
PDF
Publication pagebb0c3e02c27dd5c8c210db45f398b31b38646002a295bea9a38689670e700cb2
Manifest10d327b6ae584c13339e11a3e44b69d49c04ee07bd2a4aef50d76d97c279dd18

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
SignaturesRX7kjwu29PwJkv/a5ZsTwri6apLLa7gvlPMZOe7PAqrVWyfk9dLhN5w7TOSMZ8dQNujlnhvjzf4KpiUz65VDA==
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

2026-09-17T11:02:42.810033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049700
observed bb0c3e02c27dd5c8c210db45f398b31b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:42.790661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049700/manifest.json
observed 10d327b6ae584c13339e11a3e44b69d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:42.772254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049700/publication.md
observed 5448db012c7650c2ed891227e4207dfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:42.753016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049700/publication.txt
observed 70d81d015b48b81c3b393cb25eb48555...
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.