OpenTechnical

OT-2026-000040805

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000040805) never changes.

Identity and time

Publication numberOT-2026-000040805 · never reused
Internal UUID01a0ae79-6d0f-7950-a9a3-9de66f0aa88c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040805
StatusPUBLIC

Content hashes

Canonical text58f9266cf97e5512cd89c994ff0a2b96f021ad8b9b8efc70895ac7ce030bfc2a
Markdown8cdce1c41c4b94b764d66ebaad78847eba7463320ed3e67501ac452a8651ef96
PDF
Publication pageffd67d1c29884872f189216f6e5fcf818a8a044ca4af3ee0bd97366692544526
Manifest3e86824f7576c0f03ff23111ae6185008d9901928c235826a94296ed11e42483

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
SignaturekFfuFwEu3TqxDfvMzwo5GKc4EgbkYxDZsWmNhYUPJ0CHCMMdPdYfLYMwYnpogtSoATP8MCdRxf+A2SHUwjGICA==
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

2026-09-17T11:20:08.654812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040805
observed ffd67d1c29884872f189216f6e5fcf81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:08.631791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040805/manifest.json
observed 3e86824f7576c0f03ff23111ae618500...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:08.615045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040805/publication.md
observed 8cdce1c41c4b94b764d66ebaad78847e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:08.594956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040805/publication.txt
observed 58f9266cf97e5512cd89c994ff0a2b96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:34.726222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040805
observed ffd67d1c29884872f189216f6e5fcf81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:34.708060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040805/manifest.json
observed 3e86824f7576c0f03ff23111ae618500...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:34.690673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040805/publication.md
observed 8cdce1c41c4b94b764d66ebaad78847e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:34.673729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040805/publication.txt
observed 58f9266cf97e5512cd89c994ff0a2b96...
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.