OpenTechnical

OT-2026-000087197

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, 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-2026-000087197) never changes.

Identity and time

Publication numberOT-2026-000087197 · never reused
Internal UUID01a0ae9a-9f2e-7b98-a743-7c9a6baf501f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087197
StatusPUBLIC

Content hashes

Canonical text5e6944a4440371c1d2ab875652d7bd5e4871b50d5bc4c3624cfa7f7958c8be4a
Markdown9bc3ea9d09c10e74b02e40c468d3cde9fd530f42f63b41de25132ba798417aff
PDF
Publication pageb250d25fa5fedcb8cd83a905542b440a415e08b37c85c498bd835e90bde17f55
Manifest59d4a15bde1aecadd069ba3f10369d6aa5acd2e25e34229ea89a8796c5aac870

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
SignaturexfWD6f8Orbl4f7rHsnF9yaUErXgDGLH5WOJv0TFywJVBu5sdPt5I71BhB+EspuXWeZcAIfIcyXFZAySBWWquDA==
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

2026-09-17T09:51:28.441992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087197
observed b250d25fa5fedcb8cd83a905542b440a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:28.424629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087197/manifest.json
observed 59d4a15bde1aecadd069ba3f10369d6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:28.408626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087197/publication.md
observed 9bc3ea9d09c10e74b02e40c468d3cde9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:28.392613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087197/publication.txt
observed 5e6944a4440371c1d2ab875652d7bd5e...
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.