OpenTechnical

OT-2026-000085685

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, sustained 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-2026-000085685) never changes.

Identity and time

Publication numberOT-2026-000085685 · never reused
Internal UUID01a0ae99-aaad-740e-9522-6557f191a996 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085685
StatusPUBLIC

Content hashes

Canonical text513fd82cfc681808365c8a815dba1a14ce5da34eda7670c4809fb38e55a74393
Markdowne4756c257593cb6b66bdf5ff6ca27fcac124c73b60ab0282735086ab1ce508b7
PDF
Publication page300a854554b5f5204e3b113860726d65a710d8bda59d09b586dcb207d3412022
Manifest60c5b5d882caf2f474023708450c73ddc084ad084a13803202241078a3044fd3

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
Signature9Axq/ENPoIA7UpPB/aGDtuVVTZTKJMCxnb3XnvVCvkv3XDawX5CJrCgssK8GuuPY6K7Pihiy8TIO9YtaPQ1qBA==
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

2026-09-17T09:54:35.093671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085685
observed 300a854554b5f5204e3b113860726d65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:35.076029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085685/manifest.json
observed 60c5b5d882caf2f474023708450c73dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:35.058369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085685/publication.md
observed e4756c257593cb6b66bdf5ff6ca27fca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:35.040054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085685/publication.txt
observed 513fd82cfc681808365c8a815dba1a14...
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.