OpenTechnical

OT-2026-000007533

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, sustained 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-2026-000007533) never changes.

Identity and time

Publication numberOT-2026-000007533 · never reused
Internal UUID01a0ae62-4df6-7f98-9a0b-310dc838a27f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007533
StatusPUBLIC

Content hashes

Canonical text98b1a80af7c6fda1db06f2a7d5143fd1de61cf27aa4b3331c0f16722c39e0ce3
Markdown4b9a1aef43aeec6c3f260e7153297c032674f17fdb85720c5f25ee5136c5e04d
PDF
Publication page220e8174eb8e9cb95d9a33f6d1baf40e16d4e6c30641f1e46f13fb7a00ae7082
Manifest66db7301541855814944f03f19e19b053061181a437b49a54d6e954c08330883

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
Signature9ZsX08rQCu/gNu5dV6L4/cZyTfPV+zorrDOgkxK2WMS3y2ajpzL5skkkqyZNGzF7F3h+yWzwm0eFT15hB4d0CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:22.494897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007533
observed 220e8174eb8e9cb95d9a33f6d1baf40e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:22.478041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007533/manifest.json
observed 66db7301541855814944f03f19e19b05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:22.461563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007533/publication.md
observed 4b9a1aef43aeec6c3f260e7153297c03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:22.445681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007533/publication.txt
observed 98b1a80af7c6fda1db06f2a7d5143fd1...
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.