OpenTechnical

OT-2026-000076263

Publication integrity record

Four cup vacuum gripper, four zone face, three 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-2026-000076263) never changes.

Identity and time

Publication numberOT-2026-000076263 · never reused
Internal UUID01a0ae94-6a6f-7293-a1a6-1e6938bedffb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076263
StatusPUBLIC

Content hashes

Canonical text7203569b72b17454033385769ee8108d58940dbfec2f838f61049ff90c8b4955
Markdownf121424e83f85cab8e23de5ba8a5537ab8b9fcc36ea1aadb1037458e140a4cc3
PDF
Publication page42105c2ac8ec1a2a7e6c445b828a8688adc3f40efa161d1979f6b75a2359a1b8
Manifestdf362832e6a7e75c35b5f6f9ed11c2577a564a2a5354da9fef0eeb0f70172868

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
SignatureFSwRQ9+2B4MJ75/xImSQScG/TTRXKGCdQFMRq2RNI4f9gwF1W/f52nLCVibfGzrzkrw1knLb5WQwiGJ0scnuAw==
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

2026-09-17T10:11:59.507431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076263
observed 42105c2ac8ec1a2a7e6c445b828a8688...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:59.483388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076263/manifest.json
observed df362832e6a7e75c35b5f6f9ed11c257...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:59.456373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076263/publication.md
observed f121424e83f85cab8e23de5ba8a5537a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:59.310843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076263/publication.txt
observed 7203569b72b17454033385769ee8108d...
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.