OpenTechnical

OT-2026-000051899

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000051899) never changes.

Identity and time

Publication numberOT-2026-000051899 · never reused
Internal UUID01a0ae83-7c85-7a39-bfcf-08d03aa63e10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051899
StatusPUBLIC

Content hashes

Canonical textf7662d886fa346b321361406e29a5fa7995e94018386c60166e8f050e6cd4e91
Markdown8aea1efde80474ae4d10976afce7f65021bf3bc11ce6923d2a3e6e93f535f9c4
PDF
Publication page0e5bfd829238a07df30e1913bce6ae0775eeb5d68394d7e2bd09ee6785971f96
Manifest88366b2b741503e20a89e9156d317f9a30d8595f35321967bb5ff406bd008afa

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
SignatureTgnHrtqPnafLoGeb4WwzGUATusR4yGD5E+avcRjdFMfO4HfY4PVA1TKDB4E1WrErchydaHL0cE/kGRNyA1ILDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:51.817869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051899
observed 0e5bfd829238a07df30e1913bce6ae07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:51.799530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051899/manifest.json
observed 88366b2b741503e20a89e9156d317f9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:51.780979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051899/publication.md
observed 8aea1efde80474ae4d10976afce7f650...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:51.764526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051899/publication.txt
observed f7662d886fa346b321361406e29a5fa7...
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.