OpenTechnical

OT-2026-000069690

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, 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-2026-000069690) never changes.

Identity and time

Publication numberOT-2026-000069690 · never reused
Internal UUID01a0ae90-b52c-7b7e-ada3-49d4e072a44a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069690
StatusPUBLIC

Content hashes

Canonical text8e52697f286b716b8187cc6ef82ce78088cab40bf19efa94b2c0e7ca52d206b0
Markdown3736a9f06e8a637f5277c11cb3b68a816ce6b6005616aebe260e9474d5372ae5
PDF
Publication page28557f670d5286a3756e2a6a97470285cef5b6c4193d9a43db2efee8a858c5e6
Manifeste70c0a222ed817972a2586a51f5646d0109838bc34e0abeaf26425a77cbc38d6

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
SignaturerzTSewkfualTur7m4/SOJezY41cH2AOMFQmwR8FBfjL1jxJy+NuHOqyzcbiomKGw+Lyr7Lvg/lHdJUxL7msCBw==
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

2026-09-17T10:28:21.865995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069690
observed 28557f670d5286a3756e2a6a97470285...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:21.848708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069690/manifest.json
observed e70c0a222ed817972a2586a51f5646d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:21.832453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069690/publication.md
observed 3736a9f06e8a637f5277c11cb3b68a81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:21.812441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069690/publication.txt
observed 8e52697f286b716b8187cc6ef82ce780...
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.