OpenTechnical

OT-2026-000012250

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, 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-2026-000012250) never changes.

Identity and time

Publication numberOT-2026-000012250 · never reused
Internal UUID01a0ae6d-39f5-7db3-9c17-d336f5941dc5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012250
StatusPUBLIC

Content hashes

Canonical text56e4a6eb738026e99f88c7e679e3b17dd61320c5d34a2d655dff69ed9b1ff977
Markdown15ae34bf4ec1d34c2af4a72b255f287b6a60b42e62511c962325b0ec2e98390e
PDF
Publication page044b394cad85d6eb0ae407bd1234e051d9637876b174471490ddc5c443ac3a7a
Manifestcb2bd27624300c7875cb55bf3ce8af024d780ee7e03dbe4ea0180d8c723fe226

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
SignatureQry7ldR91SpMKuyRUHDar45kJXdM39KIESF9XR8EIlYOlVHHCIiKecfleo1Z6s10rXNhPc2JkDSBHBoF2WB2Cg==
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

2026-09-17T12:11:10.802671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012250
observed 044b394cad85d6eb0ae407bd1234e051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:10.782917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012250/manifest.json
observed cb2bd27624300c7875cb55bf3ce8af02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:10.764889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012250/publication.md
observed 15ae34bf4ec1d34c2af4a72b255f287b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:10.747627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012250/publication.txt
observed 56e4a6eb738026e99f88c7e679e3b17d...
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.