OpenTechnical

OT-2026-000013011

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, pulsed 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-2026-000013011) never changes.

Identity and time

Publication numberOT-2026-000013011 · never reused
Internal UUID01a0ae6d-5564-78b3-948d-53a447673012 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013011
StatusPUBLIC

Content hashes

Canonical text3ec03b6537f0f7f7c05f23cd7e444e4b541b74ff494d28bbb68b1851ef63eb8b
Markdownad020f8129713abbcffa591ffc375125a14d674fcdb2ebcb2228e4bca1adc3a3
PDF
Publication page3305bec880cd415bd34ae8bf90235ab7e7fb1d1c37d5eec4b87247b5e1c64a1c
Manifest3ba761f120fafa033c660dcb6db98ca02db4aab1ef28eb30087da6e6d3bc2d3b

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
SignatureviN6rfuCKPDZVPUsBjIlE+/bglHX58VyX9Mp1ZWXhYx0f3r/fPfRLajZy2BEi3jYgi80ax+2S65LVcmAK4LcCw==
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

2026-09-17T12:10:50.045874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013011
observed 3305bec880cd415bd34ae8bf90235ab7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:50.025310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013011/manifest.json
observed 3ba761f120fafa033c660dcb6db98ca0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:50.005824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013011/publication.md
observed ad020f8129713abbcffa591ffc375125...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:49.986463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013011/publication.txt
observed 3ec03b6537f0f7f7c05f23cd7e444e4b...
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.