OpenTechnical

OT-2026-000102516

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three 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-2026-000102516) never changes.

Identity and time

Publication numberOT-2026-000102516 · never reused
Internal UUID01a0aea4-858a-72b0-bbca-1778ec1211fb · 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-2026-000102516
StatusPUBLIC

Content hashes

Canonical textb5b2308760fed48311973273c711d133e4ec32127b514eda1919f2b711c6c182
Markdown42618589e774207f4c34025e9d33187e8678b93b02853d30c87fb2140a81496e
PDF
Publication page1230beb1029de95c7f994f61998ab8147d57933d7a2cc50a35f38898e245a011
Manifest867827dd85f1fc370280789dcb64eca96f7d47fd51a157730e0934be480930e4

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
SignaturemoZWeNVxRasT0EYwvThvnBetdovRraqoEpxF+8bg9KDp9PcWZYwb9svsdslERZK4EprejL6ef4T2BfvEM9A1AQ==
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

2026-09-17T09:23:59.098250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102516
observed 1230beb1029de95c7f994f61998ab814...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:59.075921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102516/manifest.json
observed 867827dd85f1fc370280789dcb64eca9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:59.059108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102516/publication.md
observed 42618589e774207f4c34025e9d33187e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:59.036500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102516/publication.txt
observed b5b2308760fed48311973273c711d133...
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.