OpenTechnical

OT-2026-000103418

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, pulsed 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-2026-000103418) never changes.

Identity and time

Publication numberOT-2026-000103418 · never reused
Internal UUID01a0aea4-e460-769f-999f-4ca7a3d94d53 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103418
StatusPUBLIC

Content hashes

Canonical text4af517b95c9349155da8c397d6f356671a9a142a710b7421156216ad2857f0a6
Markdownd38c8359c6a5f00f4ae616b24c8253ee22189b9d3bc9946b8f01c4b745906927
PDF
Publication page084454c08c6b859af98fb20500dda4b54554373afd9f510e78a983e8cbefa129
Manifestb04fe23c829a17c04adde3263c8c2790104bbf152c220f36d4b96a6fc45a0f63

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
SignaturebgErF6yXwtNRsHAfTHzEUZ1IO4gmVYoWPu2Tcl9iARLUh7PgaoKNPjtM91iMQbTwhEkfSudHlMOJBiPEm3wiAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:09.972631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103418
observed 084454c08c6b859af98fb20500dda4b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:09.956872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103418/manifest.json
observed b04fe23c829a17c04adde3263c8c2790...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:09.940067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103418/publication.md
observed d38c8359c6a5f00f4ae616b24c8253ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:09.923302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103418/publication.txt
observed 4af517b95c9349155da8c397d6f35667...
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.