OpenTechnical

OT-2026-000042594

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, 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-2026-000042594) never changes.

Identity and time

Publication numberOT-2026-000042594 · never reused
Internal UUID01a0ae7a-c0ce-75cc-8004-26fdbabf09ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042594
StatusPUBLIC

Content hashes

Canonical textd789a339b9100e6dcc9fdbb52ac7088fadd132c9bb0060de82f85c86c3e608e2
Markdown406d2e072028061c15a0afdc22dd0ede2f9077831975d55dc222797f5cb7fc2d
PDF
Publication page0d65d67dd0ffac290ac79378e26b344f5da7a00e81a2ed9a099811e1a1c81960
Manifestc9a45dddbb43ce9cd65a277de6a07810d67e0148b80d33d57b9796fded6b2b1d

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
SignaturepDFUNzsMD8H4HcvIlU/cbQXdYtHLrepb0QTQcbfFfxiVyhwX6pP4buhh5gah0uTTxUO2dvpQQmCTRBl+4h40BA==
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

2026-09-17T11:14:18.980525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042594
observed 0d65d67dd0ffac290ac79378e26b344f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:18.963278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042594/manifest.json
observed c9a45dddbb43ce9cd65a277de6a07810...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:18.945930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042594/publication.md
observed 406d2e072028061c15a0afdc22dd0ede...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:18.926047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042594/publication.txt
observed d789a339b9100e6dcc9fdbb52ac7088f...
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.