OpenTechnical

OT-2026-000088535

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, supply line pressure sensor, 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-2026-000088535) never changes.

Identity and time

Publication numberOT-2026-000088535 · never reused
Internal UUID01a0ae9b-8f0e-74ec-91e6-1c55dbc37a55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088535
StatusPUBLIC

Content hashes

Canonical text5df99c7bbed45ce75c5d37ffdacd2da37bcb3da3b13e3588878666297d90a13d
Markdown49e5a36e8f8be6a16a9a24af8eb0d2636aa1ebd63e12ac78094b4a073d4cd58c
PDF
Publication page0d29eae24a13bc471029d222331deb014c8865e3e41a8ab2c1eeef948d47e771
Manifest62a8f486f60567fc8b0715cc506b802592a7b3bf94c434ec0d57b21c177ee29c

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
SignatureE8L+rjhPL+WYRfSBKcZh9hJB+Z3U4sX8NYqfHytMwAPHJ/oLbj/YDsxfqdg0KSBqycz9Y4WWL8q0J0kfWGe1CQ==
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

2026-09-17T09:47:42.136735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088535
observed 0d29eae24a13bc471029d222331deb01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:42.118300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088535/manifest.json
observed 62a8f486f60567fc8b0715cc506b8025...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:42.101649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088535/publication.md
observed 49e5a36e8f8be6a16a9a24af8eb0d263...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:42.085413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088535/publication.txt
observed 5df99c7bbed45ce75c5d37ffdacd2da3...
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.