OpenTechnical

OT-2026-000005728

Publication integrity record

Bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, contact triggered

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-2026-000005728) never changes.

Identity and time

Publication numberOT-2026-000005728 · never reused
Internal UUID01a0a942-d682-7c06-a9a6-f9775c36938f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:08:44.933837Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005728
StatusPUBLIC

Content hashes

Canonical text377226833a5965aace44e60fa251dc4a524af9f98a6129eb6b3e680e4864cfd2
Markdown496bcc7c322f12016258f1eb841076ad9901399375df0b5a93a3897cb2e5e68a
PDF
Publication paged87625e12b898a962c5ff3650f99e13f8d8dbbad3a31f76bce13ec9c93d00c71
Manifest792d97d1ac8a526ca28c9d90c9e80e3ab4c6e9e010089b8190ecab233d70fea7

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
Signatures0ar7tDdOZJbLmtPT3hd5zz0tuELxg08izNkTNRQvf24rtFc8sMDEVZTlMqRu5nc0/2yCzP3u6KBOVUGVMcuAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:10:06.687845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005728
observed d87625e12b898a962c5ff3650f99e13f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:06.674624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005728/manifest.json
observed 792d97d1ac8a526ca28c9d90c9e80e3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:06.659634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005728/publication.md
observed 496bcc7c322f12016258f1eb841076ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:06.646574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005728/publication.txt
observed 377226833a5965aace44e60fa251dc4a...
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.