OpenTechnical

OT-2026-000011630

Publication integrity record

Single cup vacuum gripper, two 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-2026-000011630) never changes.

Identity and time

Publication numberOT-2026-000011630 · never reused
Internal UUID01a0ae6d-193f-7f60-b743-6c82ef99f398 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011630
StatusPUBLIC

Content hashes

Canonical textd9f5e767bd7ab290bcb89d797da54093354f503e7569aff3f70a9beb62c49207
Markdownafbf7dd4f22697238fc674c7438f43eed9950057817eab2adc3307fc14061f0c
PDF
Publication page1389bec32170bf675a19d289c1dcd3c21f5cd7b3d5cbca237e215d6fa4477871
Manifest20c186964bc89e931189755f2fb571d40f11125f9d15e1ea40809fd26ed5ecd0

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
SignaturecukGgOMyoVWrV1fqqAW4z93vzc52PnLZSrGvpxhwUmdzvMA5i+rEtMWVf4m5VwvsIp9ZJL6JnNY4ZY9Ne5+cDA==
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

2026-09-17T12:12:10.252829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011630
observed 1389bec32170bf675a19d289c1dcd3c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:10.234516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011630/manifest.json
observed 20c186964bc89e931189755f2fb571d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:10.214102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011630/publication.md
observed afbf7dd4f22697238fc674c7438f43ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:10.194017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011630/publication.txt
observed d9f5e767bd7ab290bcb89d797da54093...
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.