OpenTechnical

OT-2026-000049641

Publication integrity record

Six cup vacuum gripper, six outlet manifold, 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-2026-000049641) never changes.

Identity and time

Publication numberOT-2026-000049641 · never reused
Internal UUID01a0ae81-8fee-7495-82ad-49c8687a4af3 · 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-2026-000049641
StatusPUBLIC

Content hashes

Canonical textc1fbe4b99ace17f534e867867d8e8b20e7fe11797617014fa2ffc6f678f78259
Markdown4fdd719693cfffefed2cea6abee3465f15be0c925326c7febbee95f812632662
PDF
Publication pagec9e66621419aae3e36106ffcf6da1d899be0a67e4945657c04caa785470f0f13
Manifest93d9acd37ddd2f19916a0593cc93b91de2867d4b2bca2dff8787ffc3f39d5da6

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
Signaturekq3ujGvu/CL7nWHZpise7LmbPofvJXECo6WB+RkYMDJCbMxDnJUE8CERl8H0VbPjZsqQz8LyfIMznzajs84iBQ==
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

2026-09-17T11:02:38.190195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049641
observed c9e66621419aae3e36106ffcf6da1d89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:38.172069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049641/manifest.json
observed 93d9acd37ddd2f19916a0593cc93b91d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:38.152380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049641/publication.md
observed 4fdd719693cfffefed2cea6abee3465f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:38.136183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049641/publication.txt
observed c1fbe4b99ace17f534e867867d8e8b20...
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.