OpenTechnical

OT-2026-000049645

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three 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-2026-000049645) never changes.

Identity and time

Publication numberOT-2026-000049645 · never reused
Internal UUID01a0ae81-8fee-733b-89ce-fbbbd8ca4ddc · 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-2026-000049645
StatusPUBLIC

Content hashes

Canonical text6196efcecab9162ba67163510d25463c3c27ef51e53754e3a9a5640efd279eaf
Markdown5839b2473c259e93e38dcf084210e520b656b7f7ad4997bee87c0145f44a24eb
PDF
Publication page2b8653b0019b069616a6529a45cbab48b503bed7bef242af1ff0aa08bfbc9758
Manifest66a73def513c412f88e39880128907b35c2c577ebf9202cc11cae470f91d8317

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
SignatureOSuYHXFcTK/Mp7FMYJXpqmHllxpVHQ7NvNmWku9VO5seB71XAmrRKwSxiSxXgaQQH8a8/QgKFdJEM+YjHlp/Ag==
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

2026-09-17T11:02:38.504282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049645
observed 2b8653b0019b069616a6529a45cbab48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:38.486792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049645/manifest.json
observed 66a73def513c412f88e39880128907b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:38.468408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049645/publication.md
observed 5839b2473c259e93e38dcf084210e520...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:38.449872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049645/publication.txt
observed 6196efcecab9162ba67163510d25463c...
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.