OpenTechnical

OT-2026-000051191

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump 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-2026-000051191) never changes.

Identity and time

Publication numberOT-2026-000051191 · never reused
Internal UUID01a0ae83-273f-7b29-b2cc-403165d8d863 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:05.998905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051191
StatusPUBLIC

Content hashes

Canonical text6d3bd241a4728b51fe306420c9592e573a9a6f4e5cf1e6d789aabb42f44bbfc9
Markdown2dd1160c9c6153a5ca57674430f79e6400a1b8f4739787c81931efaf9d5ef9e2
PDF
Publication pagea45c4137f7a36489598080d2c8875bae08defe2dfee5598086d1d25108e20241
Manifest67fb51dd1711c66b9c380937d522aa9757fe171ece6258ef1650c840ef33f845

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
SignatureBknXxGTR5ayuTysky4CTITRmFnup1pugCIBHvx5TeGA1eK+eGnbICoAUdR6+6sEbamyG1t0Xr3dpuGIdrwMGDQ==
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

2026-09-17T10:58:58.158764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051191
observed a45c4137f7a36489598080d2c8875bae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:58.139558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051191/manifest.json
observed 67fb51dd1711c66b9c380937d522aa97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:58.101469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051191/publication.md
observed 2dd1160c9c6153a5ca57674430f79e64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:58.063731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051191/publication.txt
observed 6d3bd241a4728b51fe306420c9592e57...
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.