OpenTechnical

OT-2026-000062299

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000062299) never changes.

Identity and time

Publication numberOT-2026-000062299 · never reused
Internal UUID01a0ae8c-0abe-7902-9449-e726bee22f85 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062299
StatusPUBLIC

Content hashes

Canonical text84ddd4ae62642f3526e3db1738d628cf16137b266fdc5d7e1273be4679a5b3c4
Markdown4eede2f00d61235b6290772071688052bd8b5b1221025eeb4c8f080c2658e79a
PDF
Publication page03cec37babaddab8e224859cb262000e74e2f9d96b3d3c9b6a38f15a3503748c
Manifestb173c80725691b9d7d6bf5ee41458dadac4ed0a4e2dcd0a132ab63e984ef33c3

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
SignaturepD6X+zJ6InOZp3I/J+osXWvK8bR/8uDCSBPJyE0yAa9qkOtoMLbdUSfsOqIG8N2zvzvTAZnaIGNZVFVGqybjAA==
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

2026-09-17T10:39:35.221466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062299
observed 03cec37babaddab8e224859cb262000e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:35.202168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062299/manifest.json
observed b173c80725691b9d7d6bf5ee41458dad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:35.183747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062299/publication.md
observed 4eede2f00d61235b6290772071688052...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:35.167542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062299/publication.txt
observed 84ddd4ae62642f3526e3db1738d628cf...
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.