OpenTechnical

OT-2026-000005188

Publication integrity record

Bellows cup vacuum gripper, two stage ejector, contact triggered on the face

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-2026-000005188) never changes.

Identity and time

Publication numberOT-2026-000005188 · never reused
Internal UUID01a0a930-b30d-7531-8d8e-91cda5b9da84 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:48:56.208405Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005188
StatusPUBLIC

Content hashes

Canonical text64ddba2c88a99d0671634a6c6301ccf51c07a51b00406129fa403a15d2c83e0f
Markdown9a1ae4ea6c0a3d260ac48ff4a8bf02dfe0576193cf3b1056acf163f21a85c91f
PDF
Publication page958c87d39c1444dd77dc9b08adf7806c7f8f1a0bcd7b0831a4fd25b514ad4c47
Manifest20a043a5748c64237c69db357ae732f169c8755bf25f0a5e453e2733a39db8b4

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
SignatureNCo690w2uQtM3gMYKhWQwk5p2hbBixoD+hyI/RfSqO/0O1/KKE83oS+g4/IYI84wUyTVgS2HgpJFL/er4vqLBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T07:50:05.870885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005188
observed 958c87d39c1444dd77dc9b08adf7806c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:05.734324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005188/manifest.json
observed 20a043a5748c64237c69db357ae732f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:05.722466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005188/publication.md
observed 9a1ae4ea6c0a3d260ac48ff4a8bf02df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:05.710140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005188/publication.txt
observed 64ddba2c88a99d0671634a6c6301ccf5...
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.