OpenTechnical

OT-2026-000006911

Publication integrity record

Vacuum cup gripper, three stage ejector, contact triggered, 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-2026-000006911) never changes.

Identity and time

Publication numberOT-2026-000006911 · never reused
Internal UUID01a0a96c-08b3-7446-a8e1-5bc16aaac57b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:53:44.879394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006911
StatusPUBLIC

Content hashes

Canonical text3e77207b843258f9a95da0425e1bb4d136d2b29ea8734dc2a8b88f0f20ae32e3
Markdownf67f4e15d7ce56613da732560b55da846a4f8d9613c9374dfcd9e5b0d4340362
PDF
Publication pagede06934b6410fc3ad7cb0902ebc56e877f369ea8d274c013da90aae63230c525
Manifest6baf25133fc613da004a6feace57ec75fadc9102a9807cd7782c44a34d90841a

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
SignatureadcXe2APOnaDdZYr7aGm/bliO7afa73gUjpmDHq4zyYvjWMGtcvLdGxMp3df9iHfnllHC3j6XBjFybrmW0LsBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:22.923158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006911
observed de06934b6410fc3ad7cb0902ebc56e87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:22.907202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006911/manifest.json
observed 6baf25133fc613da004a6feace57ec75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:22.894779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006911/publication.md
observed f67f4e15d7ce56613da732560b55da84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:22.880084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006911/publication.txt
observed 3e77207b843258f9a95da0425e1bb4d1...
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.