OpenTechnical

OT-2026-000049849

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000049849) never changes.

Identity and time

Publication numberOT-2026-000049849 · never reused
Internal UUID01a0ae81-8ff0-7c26-8232-9f6b4e455d47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049849
StatusPUBLIC

Content hashes

Canonical textab413ed987168240491fe56f101350a32092559fbb52cf7277ba0235103525e8
Markdown0d0fdef2d0b435f501b90eefe6e0103d6e033414db6171378017fdf43bc17c67
PDF
Publication page58b76fbd647ad5f3ebd7a178c6376fc1f98e5d62a31bd541dca5fe230a415e9d
Manifestf1ca9e4545574c872a6126b98a4e2ee20e82a3b51c2cc84c7b9cb3569b69af0d

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
Signaturetq9wLzXGuWx+wM0JZFTJ11mvC87C24k2XFiKQoAPGN1kNFmxzj75TaCm67wp5JFVEL/4rOfSqfOj440WmffJAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:02:59.471696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049849
observed 58b76fbd647ad5f3ebd7a178c6376fc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:59.452609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049849/manifest.json
observed f1ca9e4545574c872a6126b98a4e2ee2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:59.433424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049849/publication.md
observed 0d0fdef2d0b435f501b90eefe6e0103d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:59.414302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049849/publication.txt
observed ab413ed987168240491fe56f101350a3...
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.