OpenTechnical

OT-2026-000074216

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, vented before 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-2026-000074216) never changes.

Identity and time

Publication numberOT-2026-000074216 · never reused
Internal UUID01a0ae93-7178-78e9-a42a-c5c44d2239e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074216
StatusPUBLIC

Content hashes

Canonical text4e70c84341aa995e53a5fc1c6f0a7cb0ac554d3a49de186c9516c4f859e642c2
Markdownf2b97440896ef2d84b5919214cc1e0754779badc3237e92d0189a900731488dc
PDF
Publication page5779b8d7be03031115f9aed5faa36d4aa997d8b9f55a99c7628451190eded4c8
Manifest027c13e3825bd5b8991e2359d61b26a6357bdd979b793ba3cb8234af7dd02993

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
SignatureixxQIZLv3FhXsXTas/7IjgBY7E38GJwhirb4vqIsTXLWrj3NMVwKVVpLTQdW2168amKoztqUApHjSA9nC0PXBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:04.575236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074216
observed 5779b8d7be03031115f9aed5faa36d4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:04.557364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074216/manifest.json
observed 027c13e3825bd5b8991e2359d61b26a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:04.537463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074216/publication.md
observed f2b97440896ef2d84b5919214cc1e075...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:04.489032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074216/publication.txt
observed 4e70c84341aa995e53a5fc1c6f0a7cb0...
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.