OpenTechnical

OT-2026-000022893

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, sustained blow-off before 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-2026-000022893) never changes.

Identity and time

Publication numberOT-2026-000022893 · never reused
Internal UUID01a0ae70-46eb-7c90-86ad-8aac400e47f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022893
StatusPUBLIC

Content hashes

Canonical texte6902edd9a920810b762744f81f50047d1f3cad2b3f7133f7798196a5f1f443d
Markdown169ab0c64f6763ae38544d19ef6ffa75a3445cc7d7693aac21195e7030991ebf
PDF
Publication page2045b1fce6d57f6afbe83e4becbf6c6e973412e20e4510da4762a22176ff8b8c
Manifest5c861ec1e8e75f6eddc2604e92c6da5c2a307058fe8d8b948fb00cd7f41e8907

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
SignatureDgiAZmh7nMuTfrHJllgXy8GPmKzpfTW31lvwqlUdKvvUslSnaghN8zcL+BnbuSQU48SDnyg4osrzt8V90aV9Cw==
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

2026-09-17T11:52:27.883636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022893
observed 2045b1fce6d57f6afbe83e4becbf6c6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:27.868065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022893/manifest.json
observed 5c861ec1e8e75f6eddc2604e92c6da5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:27.852393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022893/publication.md
observed 169ab0c64f6763ae38544d19ef6ffa75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:27.832191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022893/publication.txt
observed e6902edd9a920810b762744f81f50047...
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.