OpenTechnical

OT-2026-000092257

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000092257) never changes.

Identity and time

Publication numberOT-2026-000092257 · never reused
Internal UUID01a0ae9d-875b-704e-b683-31c612484677 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092257
StatusPUBLIC

Content hashes

Canonical text0bf3b767c166fb243596f28c438a7e608f6b48f6345bdc51a428568b9972bfb0
Markdownc7cf290d17c6a137a8a4bec3d733e7e8275895514d9141e30627b352bb0573b7
PDF
Publication page8ff02c8ff61b6e4dff4362587d1426f4711d3117cf30b1972586faa2d6fa8d30
Manifest1c7fbbd8e2a7d656a1e5ea1dc42bc0737d801b68ed8f25cd78f1135c34ef3d50

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
SignatureAWmxZIfYmV0gX1iU8z9feYOBEse/NR6q3VpL0g4MJyHm2USMV4VQqSncQCKH44GhaDQpVI0vCsaQB4Th8kMhBQ==
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

2026-09-17T09:41:47.042334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092257
observed 8ff02c8ff61b6e4dff4362587d1426f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:47.024294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092257/manifest.json
observed 1c7fbbd8e2a7d656a1e5ea1dc42bc073...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:47.007912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092257/publication.md
observed c7cf290d17c6a137a8a4bec3d733e7e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:46.991259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092257/publication.txt
observed 0bf3b767c166fb243596f28c438a7e60...
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.