OpenTechnical

OT-2026-000030133

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000030133) never changes.

Identity and time

Publication numberOT-2026-000030133 · never reused
Internal UUID01a0ae73-e4ff-745d-8257-221a8094e63d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030133
StatusPUBLIC

Content hashes

Canonical textdff0a71695bc0cd73ff001c95597654b358fed5599b9163b5b097028735c878b
Markdown01fe77b8bbfc4e7c352dabaf1c1bcc60874c2e76d341f20ca310c5e1f6364867
PDF
Publication pagee037300c307cbd1f8c7a7ad09129565f0f722dd4733451d2c8968e8dfa43be1c
Manifest60f4befec7593c41150f13fbf5d4e6c335e73273caf43d516e2ae16ecc790789

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
SignaturegiaJ4Vry6sZOMbNNNmAWuHkKLPD51ri27yBUuyvfmvT35T2Zaipuqoh3qLY1brkEdxNs2BoRMf/8OaorqIY8CA==
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

2026-09-17T11:40:22.426821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030133
observed e037300c307cbd1f8c7a7ad09129565f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:22.406565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030133/manifest.json
observed 60f4befec7593c41150f13fbf5d4e6c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:22.382700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030133/publication.md
observed 01fe77b8bbfc4e7c352dabaf1c1bcc60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:22.361567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030133/publication.txt
observed dff0a71695bc0cd73ff001c95597654b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:44.337603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030133
observed e037300c307cbd1f8c7a7ad09129565f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:44.319674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030133/manifest.json
observed 60f4befec7593c41150f13fbf5d4e6c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:44.303589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030133/publication.md
observed 01fe77b8bbfc4e7c352dabaf1c1bcc60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:44.270140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030133/publication.txt
observed dff0a71695bc0cd73ff001c95597654b...
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.