OpenTechnical

OT-2026-000102681

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, pulsed 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-2026-000102681) never changes.

Identity and time

Publication numberOT-2026-000102681 · never reused
Internal UUID01a0aea4-858b-75fd-9c79-d87e388e45c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102681
StatusPUBLIC

Content hashes

Canonical text466e8a5f252fec5cbd33dcb23f815390e6d97e8cdb553061aae8593d526b1e9f
Markdownbed7bffbbffcdab73949622e054744cf60d00af49ecbcf9acf8864c82b1d4c1e
PDF
Publication paged78f597ed8b63808bdafa0e03c221ea34d753684793496e554a80aa7d2b7236d
Manifest27d404c63a2e56fc7b8ee63e381693507f67dcc326a9cae548114dc337fb5fbf

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
Signaturezx0pWGmsjiESO3ko63M6DHi+alFjGqC9Jjpe8HWzN3/AqPV7Qp6ZjLOb40NS+TtFZTYKAyfRyLhTJvcABKufDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:11.165443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102681
observed d78f597ed8b63808bdafa0e03c221ea3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:11.148619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102681/manifest.json
observed 27d404c63a2e56fc7b8ee63e38169350...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:11.129289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102681/publication.md
observed bed7bffbbffcdab73949622e054744cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:11.109885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102681/publication.txt
observed 466e8a5f252fec5cbd33dcb23f815390...
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.