OpenTechnical

OT-2026-000075861

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, 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-2026-000075861) never changes.

Identity and time

Publication numberOT-2026-000075861 · never reused
Internal UUID01a0ae94-29fe-7c4a-a415-4634c6920b0b · 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-2026-000075861
StatusPUBLIC

Content hashes

Canonical text57536b1a438287ac7edcee089e7bd81aeb929baf75c973fb3cd098d370e6bfe0
Markdown0ee33bb16aba5bec226fd519b448d98fe8817c901cde4a31d629ee172bd75c6f
PDF
Publication page5faee2c0fa2fd4acfa2093bb38128fe8245d4a068bba9ec698df1da05a363abd
Manifest4f85540aec4df338ac48b0a9c9cc2f3e889e13715cd4cca2639b1ab93881f73c

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
SignatureZg8IBfjgx03Ce42bMiCeCKQpiF9psGvMs+XJJx6Al456jMZyE9RUX0k0xor0F8Yv+JsD1rhPtZOZSTHF/3zKBg==
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

2026-09-17T10:14:35.803181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075861
observed 5faee2c0fa2fd4acfa2093bb38128fe8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:35.784655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075861/manifest.json
observed 4f85540aec4df338ac48b0a9c9cc2f3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:35.764153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075861/publication.md
observed 0ee33bb16aba5bec226fd519b448d98f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:35.744101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075861/publication.txt
observed 57536b1a438287ac7edcee089e7bd81a...
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.