OpenTechnical

OT-2026-000030107

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, pulsed 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-2026-000030107) never changes.

Identity and time

Publication numberOT-2026-000030107 · never reused
Internal UUID01a0ae73-e4ff-753e-9a05-8c8e440bd4c4 · 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-2026-000030107
StatusPUBLIC

Content hashes

Canonical textcd0b4405afe52443d320ab370bf818b40f1b902f70b84a30342117502a6d792a
Markdown9ec8b290298af87f93d746330cb4f4fcda77db8c6d768c52c6a61e679a4736db
PDF
Publication paged1a512ec40e9d437b5ac15b4a0a4dc66af848dc4e5ef1aa5483972ec5abc283c
Manifestacf51b76396b415f0fc248d7154962c3685499a236376a1b4f0314bc5a435650

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
SignatureIDH5E6YVl9cWKhz3h5cKDd9MlXyczUerHT+JMNRxU0lmMUT1O9r4lhd3c45hyzjRJ6wGZ7QoAI+mzLyW92p/Ag==
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

2026-09-17T11:40:20.259668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030107
observed d1a512ec40e9d437b5ac15b4a0a4dc66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:20.239726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030107/manifest.json
observed acf51b76396b415f0fc248d7154962c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:20.216200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030107/publication.md
observed 9ec8b290298af87f93d746330cb4f4fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:20.196973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030107/publication.txt
observed cd0b4405afe52443d320ab370bf818b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:42.253413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030107
observed d1a512ec40e9d437b5ac15b4a0a4dc66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:42.233527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030107/manifest.json
observed acf51b76396b415f0fc248d7154962c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:42.216605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030107/publication.md
observed 9ec8b290298af87f93d746330cb4f4fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:42.198699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030107/publication.txt
observed cd0b4405afe52443d320ab370bf818b4...
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.