OpenTechnical

OT-2026-000043364

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000043364) never changes.

Identity and time

Publication numberOT-2026-000043364 · never reused
Internal UUID01a0ae7b-327e-70cc-ab9c-5b3cf849daff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043364
StatusPUBLIC

Content hashes

Canonical text0b4620d17eb1a52f2400e00e52c159f2e1e10dbde1ccec72e7d3e935771c68eb
Markdown72ee456fac9e3ddf5bbe76c760913ae9c05967a91ddf9bb48e75aafdd30e6cb6
PDF
Publication paged5acad1227fb86b27ec86d60b0c139c4697b4f9624b8ec9ba543e2d779fe174a
Manifestcf334b50cb9ea4962f3d0f68816d37f8c5889f62f7619a0fbe03181f7cee77f0

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
SignaturezKPonmGeFemwgL4GyjW3y+ziFhHt0YfJJjVY82WGeE3RJVE9fywGAiM+f+RKXcsQO33o0N/5eEXcFh7VOaNoCg==
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

2026-09-17T11:13:53.207963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043364
observed d5acad1227fb86b27ec86d60b0c139c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:53.186170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043364/manifest.json
observed cf334b50cb9ea4962f3d0f68816d37f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:53.166643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043364/publication.md
observed 72ee456fac9e3ddf5bbe76c760913ae9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:53.146845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043364/publication.txt
observed 0b4620d17eb1a52f2400e00e52c159f2...
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.