OpenTechnical

OT-2026-000100031

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000100031) never changes.

Identity and time

Publication numberOT-2026-000100031 · never reused
Internal UUID01a0aea3-1474-707d-9b60-7014b7a8dd98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100031
StatusPUBLIC

Content hashes

Canonical textc552daf42633b842152d1cc3ef4999bcf73bf84de8233e397b23f000ed1af85c
Markdown8a2c13eedab4036942a443b5bb41f5f76ddc7b6d5e703830ffb0ad065d2280e4
PDF
Publication page7c1133012861f4682f1dca948c326cba8af9f98738ae8d9b627feac9197b768b
Manifest1b8bbeb03b7733f1038ef7aefa7e6610e89cbe21cb70deeac750838a0477ed4b

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
SignaturenOs2MXbYlFohz8mF5XjUgpiJ9WdTy+XngbAlxlpQ+CHwdrp4ZQQR1PGUTptSSlC0jgS175TvK4tKZSen8ZPdDQ==
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

2026-09-17T09:28:57.990945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100031
observed 7c1133012861f4682f1dca948c326cba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:57.973957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100031/manifest.json
observed 1b8bbeb03b7733f1038ef7aefa7e6610...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:57.956215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100031/publication.md
observed 8a2c13eedab4036942a443b5bb41f5f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:57.939118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100031/publication.txt
observed c552daf42633b842152d1cc3ef4999bc...
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.