OpenTechnical

OT-2026-000082926

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000082926) never changes.

Identity and time

Publication numberOT-2026-000082926 · never reused
Internal UUID01a0ae97-8cca-7014-ad1c-906f537217a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082926
StatusPUBLIC

Content hashes

Canonical text45d0229d7ddb124d7d9dba90dc1b5c13c5f2628037c23065ad584743ef738b35
Markdownf189dc1eb3c268ef1400209af01feff361896b6a9ce4b4dccffc78897f2c511f
PDF
Publication page4ab1504118e23783961d4fa054204c60a6fa1c30cb87d3146196d9e9a7c027f9
Manifest6a753d563a17a5044ffe491ea36e6e13dd48029e94243fa230a1fd3d6af6ebc6

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
SignatureQaEx2y/xVfmOthIEhIvELIif+tyDoZW13LcuYovt1MZ437FciL+IUekwBqXZKX/GmxaQNfIvPg0kNwsDk4DGAg==
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

2026-09-17T09:58:37.101884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082926
observed 4ab1504118e23783961d4fa054204c60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:37.084373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082926/manifest.json
observed 6a753d563a17a5044ffe491ea36e6e13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:37.067861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082926/publication.md
observed f189dc1eb3c268ef1400209af01feff3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:37.051345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082926/publication.txt
observed 45d0229d7ddb124d7d9dba90dc1b5c13...
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.