OpenTechnical

OT-2026-000075960

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, vented 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-2026-000075960) never changes.

Identity and time

Publication numberOT-2026-000075960 · never reused
Internal UUID01a0ae94-2a00-7643-ba11-6507a5dfd84e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075960
StatusPUBLIC

Content hashes

Canonical textec65959e7c180f5eed7373ef4a01b9929690f4cde4bef16cb851303af723a361
Markdownbe99d43f5502c9e48bd9f25955a44ffda59b05af7a34b8a9ac706e58ec1eb4d5
PDF
Publication page3ea403cfeb8cbf3ee4e9bb7b138530125dfb1d93bc4b5158951f79b2be099ef9
Manifestcdd5f30d74c3de60bd9f94eb7e1e7374c92a7f87d130264307d7a20a405436e1

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
SignatureLjEvfSwwdql2jZ2elprRHuV6UycBBf4fZI91f5mqWVw4G10khASAS2ugnNIUWAX8TeswgnMybniDqvr46iDgCw==
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

2026-09-17T10:20:11.882409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075960
observed 3ea403cfeb8cbf3ee4e9bb7b13853012...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:11.860426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075960/manifest.json
observed cdd5f30d74c3de60bd9f94eb7e1e7374...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:11.831383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075960/publication.md
observed be99d43f5502c9e48bd9f25955a44ffd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:11.809810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075960/publication.txt
observed ec65959e7c180f5eed7373ef4a01b992...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:57.765052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075960
observed 3ea403cfeb8cbf3ee4e9bb7b13853012...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:57.747126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075960/manifest.json
observed cdd5f30d74c3de60bd9f94eb7e1e7374...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:57.729162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075960/publication.md
observed be99d43f5502c9e48bd9f25955a44ffd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:15:57.710709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075960/publication.txt
observed ec65959e7c180f5eed7373ef4a01b992...
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.