OpenTechnical

OT-2026-000103886

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump 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-2026-000103886) never changes.

Identity and time

Publication numberOT-2026-000103886 · never reused
Internal UUID01a0aea5-15e7-7d43-936e-f57fd907fca9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103886
StatusPUBLIC

Content hashes

Canonical text5ede293762192f21c43281f1c3599a755078315095fc93867d5e08f384bfefb2
Markdown73fd5e69e05a47d3a53633828dc2b9a8aa60e11bd634ff498a2a2cfb60d4d84e
PDF
Publication pagec6a0e3bd2bbeecec03aa1f5168e9d438680e50bdf5d796bc56dcecf2ca9dddf6
Manifest1ee1cf81c1e00eeac433d8faff813f1535a1d24a47739428ccc5fc88003b6545

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
SignatureUhlMk7MB7dacCK2qVtj9fjbA0NW3G7Xl2USWKPpk5dhNGzhe/PLSnzyClkeP+MbhloMp+k13YiDeNOLagkvQAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:52.414423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103886
observed c6a0e3bd2bbeecec03aa1f5168e9d438...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:52.397757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103886/manifest.json
observed 1ee1cf81c1e00eeac433d8faff813f15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:52.381218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103886/publication.md
observed 73fd5e69e05a47d3a53633828dc2b9a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:52.363850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103886/publication.txt
observed 5ede293762192f21c43281f1c3599a75...
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.