OpenTechnical

OT-2026-000052781

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, vented before 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-2026-000052781) never changes.

Identity and time

Publication numberOT-2026-000052781 · never reused
Internal UUID01a0ae84-a42d-7c91-8761-06ee6cf08575 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052781
StatusPUBLIC

Content hashes

Canonical text5486db889c1691d10e80b17bc588d3e1fbe72478f3b102b3a421a7869b372dd5
Markdownd795f38fe273ec667ccd48286a3f49e366b296e030ad542a34d20eca94ba0de9
PDF
Publication pagebbca65ed475dd666da9c74ef51a62bef2e72dbf097e49213c8f6a696554b9e58
Manifest025b12d2d5b60fb3a1b51bfb730d184266eff25c694ac61fdf15c1c83e9e3bbc

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
Signature4b1gtp69lWxonS+NikxrtJXrHp9/Ig9bBDuA6Ft0rY5MUhZKuQfWFslqOjPQDI8XCFzUYYSwcmMY7+NdTzMzAg==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:47.537869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052781
observed bbca65ed475dd666da9c74ef51a62bef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:47.520131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052781/manifest.json
observed 025b12d2d5b60fb3a1b51bfb730d1842...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:47.500617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052781/publication.md
observed d795f38fe273ec667ccd48286a3f49e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:47.480653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052781/publication.txt
observed 5486db889c1691d10e80b17bc588d3e1...
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.