OpenTechnical

OT-2026-000103245

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum 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-2026-000103245) never changes.

Identity and time

Publication numberOT-2026-000103245 · never reused
Internal UUID01a0aea4-be3f-7f4e-a5ff-c6e8070580d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103245
StatusPUBLIC

Content hashes

Canonical text3b7b1f74489b1f4d98fa06d59b35779c6e85dc09570f023f33a30d1d82e763dd
Markdownea705b0e29da1878035807e81c88e69b72f9487d65b6d232830419f633edeffc
PDF
Publication pagef6d42ff4f24cadc2f1eaa491d728fb7c110ad479d85f38fe22a8a1260e3a2add
Manifest0832ce68d399f58be3ea6539b845f39805b1d393a4d4be61520cc7a795f77cb4

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
SignatureXcaPLdQHc2iphiK6kDmBOFf4RKFimnL6s7ugmw/HLnVQUS8Co/Hv8gEL4xYgS7QrFgSNzfOlAKrgzEVFg15eAw==
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

2026-09-17T09:23:28.826369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103245
observed f6d42ff4f24cadc2f1eaa491d728fb7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:28.810122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103245/manifest.json
observed 0832ce68d399f58be3ea6539b845f398...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:28.792772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103245/publication.md
observed ea705b0e29da1878035807e81c88e69b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:28.775279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103245/publication.txt
observed 3b7b1f74489b1f4d98fa06d59b35779c...
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.