OpenTechnical

OT-2026-000060016

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, sustained 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-2026-000060016) never changes.

Identity and time

Publication numberOT-2026-000060016 · never reused
Internal UUID01a0ae89-ec27-7e46-be01-29b8ec8befc7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060016
StatusPUBLIC

Content hashes

Canonical textab3b53d62f1b1bce6ee3f8a67e88225555e464bd8aab5225ea776f3b338f2ad8
Markdownee5baf353608c10d49b304d66bbbc6780ce23f39dd9e01453ec6b6d0f61fac68
PDF
Publication page62cdfb84bfc195b9458b1f5abed82ee65aec3d65da0f2ac48cae8ef061057a83
Manifest5e2222c146fd049401f88bdf49fd12df6d33987d4354846d0ace8dab9221dc7b

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
SignatureseHd/CWbY4mY01Cu57l3dh74rw82ePZXlLTpbO+4Y3K4/BNm9NJZV5pPEhDUY0Ye7dm2fGN5Dn1Emg4iykPuBg==
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

2026-09-17T10:44:48.859345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060016
observed 62cdfb84bfc195b9458b1f5abed82ee6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:48.840846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060016/manifest.json
observed 5e2222c146fd049401f88bdf49fd12df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:48.822180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060016/publication.md
observed ee5baf353608c10d49b304d66bbbc678...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:48.803868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060016/publication.txt
observed ab3b53d62f1b1bce6ee3f8a67e882255...
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.