OpenTechnical

OT-2026-000031045

Publication integrity record

Two cup vacuum gripper, two outlet manifold, 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-2026-000031045) never changes.

Identity and time

Publication numberOT-2026-000031045 · never reused
Internal UUID01a0ae74-3fb7-7135-9d75-d5c4ad7fc18f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031045
StatusPUBLIC

Content hashes

Canonical text9fe0fb5b8e1e9a0b1d97fba55d52b25594f660365a9c2e7c6a578084628719ab
Markdown400a59f13fa05f24fedf83883a417156ff911c356f425c0dc5205141c5fdefe0
PDF
Publication page066b13b976f785f44fb0acca3c6fa4f6425e41698910354a3e2dcc3f222f3495
Manifestacc6d895ad3f1baca4207884885d7f8553883d618b08338d70816cb8abaeb4a1

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
SignaturefyEVhILfIAJYi+PVKCL0wAQkO+6Wi0aly4u2qCCA9Ege1qy6zAt2zNThchDhherot1QnzTJXQXIKPxhpkkVlAw==
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

2026-09-17T11:40:08.796977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031045
observed 066b13b976f785f44fb0acca3c6fa4f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:08.781035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031045/manifest.json
observed acc6d895ad3f1baca4207884885d7f85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:08.765340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031045/publication.md
observed 400a59f13fa05f24fedf83883a417156...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:08.743177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031045/publication.txt
observed 9fe0fb5b8e1e9a0b1d97fba55d52b255...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:37.631712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031045
observed 066b13b976f785f44fb0acca3c6fa4f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:37.614624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031045/manifest.json
observed acc6d895ad3f1baca4207884885d7f85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:37.596386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031045/publication.md
observed 400a59f13fa05f24fedf83883a417156...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:37.579118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031045/publication.txt
observed 9fe0fb5b8e1e9a0b1d97fba55d52b255...
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.