OpenTechnical

OT-2026-000078652

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000078652) never changes.

Identity and time

Publication numberOT-2026-000078652 · never reused
Internal UUID01a0ae95-7c2a-7986-b245-02e3e796b837 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078652
StatusPUBLIC

Content hashes

Canonical textc3f7a1ae7f37af768298c52020a451a7860f2b052843cc3bb31d7c9d3039e04a
Markdownd34fd429ddfd18fa6cee6ba511cc1cfae1725e1fb87cb52b995a628863070da1
PDF
Publication paged3d72d7aced6627fc02090818ac57c5c3b89330de868a4420ab12fd3e95c72af
Manifest0fce6af325dc6f65e5bf4497c1358a204f89a638ea887e9b94ff27b8a1b37e25

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
Signature0lrzE3A+T7RCkZqn4xdyFEZMaW6643ZVAyfYZosVUao3B07RMbaOKx19m191x7tYKArS1oPH6j8rOmg6772ADg==
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

2026-09-17T10:06:41.945001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078652
observed d3d72d7aced6627fc02090818ac57c5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:41.926036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078652/manifest.json
observed 0fce6af325dc6f65e5bf4497c1358a20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:41.908889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078652/publication.md
observed d34fd429ddfd18fa6cee6ba511cc1cfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:41.889485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078652/publication.txt
observed c3f7a1ae7f37af768298c52020a451a7...
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.