OpenTechnical

OT-2026-000017351

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000017351) never changes.

Identity and time

Publication numberOT-2026-000017351 · never reused
Internal UUID01a0ae6e-76c9-7579-8e29-76635708703f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017351
StatusPUBLIC

Content hashes

Canonical text68389abc52ff26a9925e219ad37b21751cbb27301ee2d655e5f7f7632eea34b1
Markdown73bc36533a3c8123fa5b5e8eeefac19860a9e38b9f001197a7778394d5c0e0c2
PDF
Publication pagef45b9a78c90f7ebc0a4a55e37ae137798ef7126eb69ce7f40970b1ef7ccf4b4c
Manifest7cdf21c7229763ee03b766c025306591a2f561dab55869d76105422c4de2f4de

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
Signature1z1ZHhqGIOM4csWStcxx9i9BwVccNNXdrnTdZfeE2NVyFwOk6sq4livYjluvqtoDMwhOhdTrn/ZQAlBF1XshBg==
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

2026-09-17T12:02:27.897595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017351
observed f45b9a78c90f7ebc0a4a55e37ae13779...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:27.881574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017351/manifest.json
observed 7cdf21c7229763ee03b766c025306591...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:27.865434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017351/publication.md
observed 73bc36533a3c8123fa5b5e8eeefac198...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:27.846919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017351/publication.txt
observed 68389abc52ff26a9925e219ad37b2175...
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.