OpenTechnical

OT-2026-000060497

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, vented 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-2026-000060497) never changes.

Identity and time

Publication numberOT-2026-000060497 · never reused
Internal UUID01a0ae8a-b7cc-797d-82f0-97f88513a4d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060497
StatusPUBLIC

Content hashes

Canonical texte14cf884bdf2827715909c7c084957abcdf57962dc0c6c7544070b8a1cea71b2
Markdown295b13bce06be4286cfa0823c3520b34157338532e1fe0f00076dcaac6a2a05b
PDF
Publication page42e9ee43023d5f606c4ccc89ef5632a629b25085271b98f9341e6fd9a04b70dc
Manifest176a8f88426a8d1570fd33628123d32c87e2e7ea7deb4ef830c3add7e5614114

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
SignatureBvjs5O+iZbC6X278IwgdYVjPXbnxN3Jh5Rx/WYxxCO/0iTsUKyU3bIOmbCpr+lbf2ghMHaG7TvmU7J9EiUlXBg==
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

2026-09-17T10:42:59.656481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060497
observed 42e9ee43023d5f606c4ccc89ef5632a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:59.637920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060497/manifest.json
observed 176a8f88426a8d1570fd33628123d32c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:59.619305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060497/publication.md
observed 295b13bce06be4286cfa0823c3520b34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:59.601609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060497/publication.txt
observed e14cf884bdf2827715909c7c084957ab...
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.