OpenTechnical

OT-2026-000041281

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum 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-2026-000041281) never changes.

Identity and time

Publication numberOT-2026-000041281 · never reused
Internal UUID01a0ae79-b144-7caa-82c1-cf328260d653 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041281
StatusPUBLIC

Content hashes

Canonical text173958b7633c049a2cf4eee4d1db0f1ce908e2f29148d8a6348c2b31cee01528
Markdownd97a8f26ae8821a280250262c4ca6d7200a2ac5f572990cf04de299b7ab566d4
PDF
Publication page38a9aebfb681313dbe1a3cda218078b3b14f585a7bc6182af1c60c327c7b9019
Manifest2158ba1fc7954eac1f87e397b411197cfce632af4c1eaa37313d330bd6f73d1a

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
SignaturezzpVfYpsRliFnGX6o80h8ZyCoOCtA9LJefyay9smTZpbTX28+FCoEcRayxm3c2gvQIsV6Hoh29Pv0Hi/rBVFAg==
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

2026-09-17T11:17:15.559247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041281
observed 38a9aebfb681313dbe1a3cda218078b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:15.541414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041281/manifest.json
observed 2158ba1fc7954eac1f87e397b411197c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:15.521986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041281/publication.md
observed d97a8f26ae8821a280250262c4ca6d72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:15.504166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041281/publication.txt
observed 173958b7633c049a2cf4eee4d1db0f1c...
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.