OpenTechnical

OT-2026-000078736

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000078736) never changes.

Identity and time

Publication numberOT-2026-000078736 · never reused
Internal UUID01a0ae95-ccbc-7094-ac4f-ed1d023a6fec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078736
StatusPUBLIC

Content hashes

Canonical text13fdde2b759a0012eb84037ef9c35f7eabde60b84c424d612f1e79270e039180
Markdown166f3296365c473b973ad25f692f6f6490460cadf3383726cfad33b4c03079fe
PDF
Publication pageab05b388c60cedd898b420e3a7b984a9cf8c0ef354fb8b84a8ce453ff8fc5e32
Manifestbd83ee6de43a193bcc2021af1c22b1283002a4591cd33d6f85bd435ebe99cdf2

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
Signature0QfazybDXNGMjNzYxKrVveRxcwu5eqPs8NrOKsrtZ1kaD1vbbRzXFr0tihNrt/hYcmB3KlR9lmmWS9XYTFg0DA==
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

2026-09-17T10:05:20.439917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078736
observed ab05b388c60cedd898b420e3a7b984a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:20.422461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078736/manifest.json
observed bd83ee6de43a193bcc2021af1c22b128...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:20.404478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078736/publication.md
observed 166f3296365c473b973ad25f692f6f64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:20.387410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078736/publication.txt
observed 13fdde2b759a0012eb84037ef9c35f7e...
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.