OpenTechnical

OT-2026-000041996

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000041996) never changes.

Identity and time

Publication numberOT-2026-000041996 · never reused
Internal UUID01a0ae7a-5d6f-7b99-bdce-87dc8b3c9c4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041996
StatusPUBLIC

Content hashes

Canonical text108ac75fa615374f508ec6bf7cb404ed8fd5f256b18bf9dd84ed480fb710332b
Markdown336e3877522952ead655ac070f65667eebdc7db10109560c59ef4d703c2f738c
PDF
Publication page8e61f3504b940bd3604b1064102cc6e704760ca5c65cd379f583b60b2106b466
Manifestbc97f49d82a59d64d5d13806882b2118b0c1f86b0d521a7cfdbcf0aeb18ad458

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
SignatureUpjneXTEJoaJMHCbc6cShFVUzNbO6INNZI3A8qsuC6NIHdbaNAJqDZMix+Tfx4ZFpavhQ6ZknWY3q6w9/8/nCQ==
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

2026-09-17T16:43:13.274244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041996
observed 8e61f3504b940bd3604b1064102cc6e7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:43:13.143749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041996/manifest.json
observed bc97f49d82a59d64d5d13806882b2118...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:43:12.611336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041996/publication.md
observed 336e3877522952ead655ac070f65667e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:43:12.305110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041996/publication.txt
observed 108ac75fa615374f508ec6bf7cb404ed...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:15:29.558345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041996
observed 8e61f3504b940bd3604b1064102cc6e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:29.539260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041996/manifest.json
observed bc97f49d82a59d64d5d13806882b2118...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:29.520203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041996/publication.md
observed 336e3877522952ead655ac070f65667e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:29.502010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041996/publication.txt
observed 108ac75fa615374f508ec6bf7cb404ed...
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.