OpenTechnical

OT-2026-000019259

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, pulsed blow-off before set-down

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-2026-000019259) never changes.

Identity and time

Publication numberOT-2026-000019259 · never reused
Internal UUID01a0ae6e-f392-7c88-8804-e8414a4a5442 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019259
StatusPUBLIC

Content hashes

Canonical textd0ce7e0c43edbd9aed3636d173582c8f8177c16674ec2a232202b8e97e3f8b99
Markdown3e3d05f87bdd887c79a54496a07ba5588e70f7abae3e0aac6152f70f4abc0a8e
PDF
Publication page98ff58c3a788b8ab79787eb67177db71bbd628bbafd8f986db02debe38e7821d
Manifest70d5816cb15a18f24cecff0d6b2f91704a8d6c50a5eae2e797464a79b05f0609

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
SignatureLy8RIYhzC6kV1BrNMSKLwVrAib02/PROfYP84QldJnhu0/ZD+q88SVbzrXJmQTyXo+f1s327tesB/Xz6Tr5SCA==
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

2026-09-17T11:58:36.210005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019259
observed 98ff58c3a788b8ab79787eb67177db71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:36.193298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019259/manifest.json
observed 70d5816cb15a18f24cecff0d6b2f9170...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:36.176518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019259/publication.md
observed 3e3d05f87bdd887c79a54496a07ba558...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:36.158884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019259/publication.txt
observed d0ce7e0c43edbd9aed3636d173582c8f...
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.