OpenTechnical

OT-2026-000101375

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum 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-2026-000101375) never changes.

Identity and time

Publication numberOT-2026-000101375 · never reused
Internal UUID01a0aea4-0e13-714e-8ac4-832f562096e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101375
StatusPUBLIC

Content hashes

Canonical text49f09220e1a168aabe29aa5bd34c05fd154874ed51bb5399a6a9338296820037
Markdownf732fb8e107343e2ef3c24bd1fcad851158cdd2989e5b48b94f4635f7c13f524
PDF
Publication page24ba27e77c974b5df21414195fc30e068b8184e13a9767e79c983cf37148cf91
Manifest78b0d24ed30183ce9c35af61bba1676d6b2ba832ce29bfc905d173afea05af33

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
Signature7lWoHRFyPZUMj8Vrumvvuyd/BHufXtYN7TwpOXCKHa+I2bnRB3qMWtMBQ4uG2NhyX4hpDL6yi+ZJbst64OaoAg==
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

2026-09-17T09:25:54.165839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101375
observed 24ba27e77c974b5df21414195fc30e06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:54.146954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101375/manifest.json
observed 78b0d24ed30183ce9c35af61bba1676d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:54.128031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101375/publication.md
observed f732fb8e107343e2ef3c24bd1fcad851...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:54.108481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101375/publication.txt
observed 49f09220e1a168aabe29aa5bd34c05fd...
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.