OpenTechnical

OT-2026-000009844

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, vented 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-2026-000009844) never changes.

Identity and time

Publication numberOT-2026-000009844 · never reused
Internal UUID01a0ae6b-cb78-7aad-8d1f-1e35c11b0c07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009844
StatusPUBLIC

Content hashes

Canonical textaec7b812c975abb2e0259df4801fe88630c119fec8da4468a037cb44fbff90ca
Markdownb957cd752ccc18741974f036a8b0e5eb08c10803cdec4cc07a6fb10af5ff5245
PDF
Publication pagebae3cd6bf9159ac23f923de50c2eefa7e8f6507545371d76793208c2361c741e
Manifestae2a5d11bfb61d2df9efe52a51f2668e7e2b2f9dda7ba6fc63e6a3463549f679

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
SignatureV5OIGmVtb2zgzFanK+/jEh/yvGjAFKn7ER/hphJNp6KhWoNvOEGNzkyRZj7rLvGPN3QKgicICvC3fOxwqpRIAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:15:50.355313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009844
observed bae3cd6bf9159ac23f923de50c2eefa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:50.335322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009844/manifest.json
observed ae2a5d11bfb61d2df9efe52a51f2668e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:50.315529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009844/publication.md
observed b957cd752ccc18741974f036a8b0e5eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:50.295094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009844/publication.txt
observed aec7b812c975abb2e0259df4801fe886...
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.