OpenTechnical

OT-2026-000070957

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, 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-2026-000070957) never changes.

Identity and time

Publication numberOT-2026-000070957 · never reused
Internal UUID01a0ae91-8c2e-7ae6-a679-731f977f22eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070957
StatusPUBLIC

Content hashes

Canonical textfdcd2ad14667c7baff4fe72189fe036823585985f38b57032f097b2479266eb2
Markdownf99853081f5852c10a3314855bbeb77ea785e5a1b95e5cb3f284113f0fb1b255
PDF
Publication page47754765b2164fa3d6178cba9efd462be9c3689f29f2c6ae6399a67458b5de68
Manifest0b7b3205712ff99b6f18ed204db2a332efce71d8bf5f93010f5b64fd0d7daa68

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
SignatureN5Hqu0eZr0lk8FpKjwgswDx28nczaXDsdmYMIK6z/mfktQiYqszxiNMyR5EXA77V8+tYhZxZm/0fUPLxz1ciCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:47.655534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070957
observed 47754765b2164fa3d6178cba9efd462b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:47.637640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070957/manifest.json
observed 0b7b3205712ff99b6f18ed204db2a332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:47.620039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070957/publication.md
observed f99853081f5852c10a3314855bbeb77e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:47.601913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070957/publication.txt
observed fdcd2ad14667c7baff4fe72189fe0368...
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.