OpenTechnical

OT-2026-000084154

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented after 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-2026-000084154) never changes.

Identity and time

Publication numberOT-2026-000084154 · never reused
Internal UUID01a0ae98-5b5f-7592-bfd1-7bfcca3d080d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084154
StatusPUBLIC

Content hashes

Canonical textbf6eef74ccfae86a8a9c3d1530912d601fac3d891bbf042de79715dcc2f54b38
Markdown136f0eef05e56099f9eb84c9b67a638f1e283e51bda60cee0bbeade1158e5d4e
PDF
Publication pagedf56cb5f75184849dad4b87bc99879aac0528387b3c0cca8721b82af2a469a40
Manifest9fd47b58c35728f9ca0e563ca3b9074327b4708ef204198cf08ef3e2b14a6c4d

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
SignatureVFPW4LFmrQbeeCbQzUADJny/ymTwpvMeoc9MQ1LmWrxoo4G17rHkMpLfKrdfz94QyfBREDJCQ+vd5b5RqjI7Ag==
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

2026-09-17T09:55:55.461367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084154
observed df56cb5f75184849dad4b87bc99879aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:55.440892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084154/manifest.json
observed 9fd47b58c35728f9ca0e563ca3b90743...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:55.392726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084154/publication.md
observed 136f0eef05e56099f9eb84c9b67a638f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:55.328994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084154/publication.txt
observed bf6eef74ccfae86a8a9c3d1530912d60...
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.