OpenTechnical

OT-2026-000016963

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, pulsed 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-2026-000016963) never changes.

Identity and time

Publication numberOT-2026-000016963 · never reused
Internal UUID01a0ae6e-591a-7fbb-bdaa-0a72b365f516 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016963
StatusPUBLIC

Content hashes

Canonical text6a6f093ea5be3b294ed5e4bb66ebdc89dc7d80463a13d00db0f06d0e5546d113
Markdownc7ed7e301e9cf25364e9956506db40035403083922d4a0fa002b949b1750561e
PDF
Publication pageec0b4af6b522a7e0c1acd34d9c759290ec8f92770501c9240f30fabff277ec3c
Manifestea70526c1c3cc0cd064304977afe8bac388459f923e624bd6622831cc4c856dc

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
Signature8oHfjnm5lzEIlWvquhqlRBYwEwJzSYqWtOyHqZ2K/M7W9zRVq0a4xu3rgeY+vp9zCgrVSLE8IMuRaPR6qgnlDQ==
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

2026-09-17T12:03:15.340785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016963
observed ec0b4af6b522a7e0c1acd34d9c759290...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:15.324360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016963/manifest.json
observed ea70526c1c3cc0cd064304977afe8bac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:15.307415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016963/publication.md
observed c7ed7e301e9cf25364e9956506db4003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:15.291617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016963/publication.txt
observed 6a6f093ea5be3b294ed5e4bb66ebdc89...
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.