OpenTechnical

OT-2026-000059088

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, sustained blow-off after set-down

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-2026-000059088) never changes.

Identity and time

Publication numberOT-2026-000059088 · never reused
Internal UUID01a0ae89-8611-7555-81b0-96d8bdeb02b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059088
StatusPUBLIC

Content hashes

Canonical textd1154cce736c326c6550579bf3becc31d16042c9e0cd753b202a8b794572efdf
Markdown73ce4800fa647569d0ba81bcdd97c8b16a7915be07fa1d899adbc3cd6cdb2cda
PDF
Publication pagee57fbe956b6542f24b50eb9fe4764d93d0043def2c6a1c55fd6cdb1aaacad9de
Manifest9fa1fa6aa3930cdf9ae2c7a588e505e8cee17444a5e940be7fd42ae6e913c844

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
SignatureA7+8rWvQCmm+nWMM6wFTY9hHSsatvae5s9uDHA8uN+KLOCyw/KZH9iJmOyPpMNi2ci2H5Cau7YzxYcNxBfmoBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:55.172921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059088
observed e57fbe956b6542f24b50eb9fe4764d93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:55.155292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059088/manifest.json
observed 9fa1fa6aa3930cdf9ae2c7a588e505e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:55.139293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059088/publication.md
observed 73ce4800fa647569d0ba81bcdd97c8b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:55.122527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059088/publication.txt
observed d1154cce736c326c6550579bf3becc31...
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.