OpenTechnical

OT-2026-000015494

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000015494) never changes.

Identity and time

Publication numberOT-2026-000015494 · never reused
Internal UUID01a0ae6d-ef4a-79d0-bfa2-c9d62fd5b5a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015494
StatusPUBLIC

Content hashes

Canonical textace2ab692a9f80962628205ae77d7a89dba184775d0a66ac38762f653e0d9f5a
Markdownedb225482593374f45f4494cb9484a4e6b1e6e130946ee6c44e818b9cc7d029c
PDF
Publication pagea4d05190cbbb588c8a20ac013016cd5412d9b7d08d90fe7078f6f318bdeb24d1
Manifestc2e42024b47a18038140619eef69cd8f5913eac359096fb52300eef9ef189a02

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
SignatureFOzkGWtXwoSSZfh5IHBXKR+5vyiCZKB31P0FR1GSxmlLTNDH/6UY697V6gwK4Qf1zdLLQfqR9ReP8668RocuDQ==
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

2026-09-17T12:06:15.558382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015494
observed a4d05190cbbb588c8a20ac013016cd54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:15.538158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015494/manifest.json
observed c2e42024b47a18038140619eef69cd8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:15.519238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015494/publication.md
observed edb225482593374f45f4494cb9484a4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:15.499788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015494/publication.txt
observed ace2ab692a9f80962628205ae77d7a89...
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.