OpenTechnical

OT-2026-000011649

Publication integrity record

Single bellows 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-2026-000011649) never changes.

Identity and time

Publication numberOT-2026-000011649 · never reused
Internal UUID01a0ae6d-1940-7b3b-984b-683979d1182c · 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-2026-000011649
StatusPUBLIC

Content hashes

Canonical text93c84d2656325b4945eb32bac3b6127162fb6e298d7a59d5ba8a6c203dd43665
Markdown1d107a140a70adedfd2e25f3380d40ed16f4185bcb43b9fc7bb126ee69ce914c
PDF
Publication page159051558477a84171dd829a53449a1c50d504ca0d4ea151a7f0c1e4b5dcd395
Manifest4283668eb72ffbfd15cf2d755a78b236f6fa7d80494beb57399860012448c789

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
SignatureSUGOWCs0xsMGF8edW8aI9lK5B3DNVjhxNK/Zv7hsmHRAWiHrC2NsBwtu8+yf5BMV/72o8N/TdHpBX626BFcRDQ==
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

2026-09-17T12:12:14.221263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011649
observed 159051558477a84171dd829a53449a1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:14.200969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011649/manifest.json
observed 4283668eb72ffbfd15cf2d755a78b236...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:14.174957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011649/publication.md
observed 1d107a140a70adedfd2e25f3380d40ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:14.153047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011649/publication.txt
observed 93c84d2656325b4945eb32bac3b61271...
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.