OpenTechnical

OT-2026-000026456

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off before 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-2026-000026456) never changes.

Identity and time

Publication numberOT-2026-000026456 · never reused
Internal UUID01a0ae71-f4a8-7498-ace7-42e4b43ad8eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026456
StatusPUBLIC

Content hashes

Canonical textb2ad9667c4efe00f762304ada2050372d1cfdad174e1cf89216c98925b260f53
Markdown8605cd3de5369f45265b0c3e61309390e2f3b8b7533ec31b5ac043155f98b8ae
PDF
Publication page912aa8c54a604f9ec356f791089309370952455c6a7a2cd5b7a327884f434c22
Manifest1ff433ef876df8b80211ef4cafacab3f0508ac96549db88c81c33c577c7af2e8

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
SignaturetwEQw50vd95wUVJKNqr4AiDzc4hY1yBRKYmDuwWDBQz9hLDhH5K37XO3iUOL5f9h4o2DzElnSH4n1lqAlsPTDQ==
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

2026-09-17T11:44:27.465586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026456
observed 912aa8c54a604f9ec356f79108930937...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:27.449856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026456/manifest.json
observed 1ff433ef876df8b80211ef4cafacab3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:27.434922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026456/publication.md
observed 8605cd3de5369f45265b0c3e61309390...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:27.420194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026456/publication.txt
observed b2ad9667c4efe00f762304ada2050372...
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.