OpenTechnical

OT-2026-000083433

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, sustained blow-off before set-down

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-2026-000083433) never changes.

Identity and time

Publication numberOT-2026-000083433 · never reused
Internal UUID01a0ae97-c964-7411-bf42-9d9cbc3bebe3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083433
StatusPUBLIC

Content hashes

Canonical text4c3981e96318ef3c9ee87e06620f596a86fd91c770b151a2b31f076cf522ba81
Markdownb2d74965d2dd11eb48f0c67902ce7fbf6b66d587ccc250e96b54f55757cc82ee
PDF
Publication page9d0bf2a89013cfc9a2680d505cf9f0294696e942c908ce99a3e12c9ff4f00809
Manifest4673c5a48edd915f6b69ee82bf004311b9d74f4f529b23841750d4f65e2ed711

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
SignaturexEOc5X+RD+ij7IAY3etQoVpR1M9f7EaJinpZCjTHnSjS6FCNcUBcG4QlmfKx7uwGn9MbqyxUBFulxiCbrbqkCw==
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

2026-09-17T09:57:51.013972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083433
observed 9d0bf2a89013cfc9a2680d505cf9f029...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:50.997943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083433/manifest.json
observed 4673c5a48edd915f6b69ee82bf004311...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:50.980921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083433/publication.md
observed b2d74965d2dd11eb48f0c67902ce7fbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:50.962907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083433/publication.txt
observed 4c3981e96318ef3c9ee87e06620f596a...
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.