OpenTechnical

OT-2026-000007883

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single 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-2026-000007883) never changes.

Identity and time

Publication numberOT-2026-000007883 · never reused
Internal UUID01a0ae6a-908a-7952-b172-a2995d482556 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007883
StatusPUBLIC

Content hashes

Canonical textc5368f8285c89d9d6886cebeef6a2f151a1222f2b2862aadcd74e265e2a0de02
Markdown51482ec2fc15b0ebd6801bef88e38a451bc68b990e48bed40b7f5c14984a0de2
PDF
Publication page6d613abc68dc6230cb679e46d0fc8b9a9cd0afefde8f0120727b99edd3f19285
Manifestd72948c32889253b39df1f509c88056151881ab4b6e4bd956199b1bd92ce0014

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
SignatureTJzmN9oGZPsp3fERFFess6IzBvoX3clKHQANzlvThkWni1WeX1GNMqErhMbdM+vTsq5fUqKU1lRjAvuiejSJDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:20.525049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007883
observed 6d613abc68dc6230cb679e46d0fc8b9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:20.506463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007883/manifest.json
observed d72948c32889253b39df1f509c880561...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:20.486039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007883/publication.md
observed 51482ec2fc15b0ebd6801bef88e38a45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:20.468309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007883/publication.txt
observed c5368f8285c89d9d6886cebeef6a2f15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:59.200749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007883
observed 6d613abc68dc6230cb679e46d0fc8b9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:59.182642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007883/manifest.json
observed d72948c32889253b39df1f509c880561...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:59.157525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007883/publication.md
observed 51482ec2fc15b0ebd6801bef88e38a45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:59.138085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007883/publication.txt
observed c5368f8285c89d9d6886cebeef6a2f15...
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.