OpenTechnical

OT-2026-000047854

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000047854) never changes.

Identity and time

Publication numberOT-2026-000047854 · never reused
Internal UUID01a0ae7f-c421-7cfd-a351-c9c3bdaef039 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047854
StatusPUBLIC

Content hashes

Canonical text385b276974fdc89654a715c436f85655920bfde4cd0a7ae7d370183f2b9d90aa
Markdownb10cc35817571b819f5ad7aae71b6b67c4b94e28f2d7f32e6315acd19d868ad2
PDF
Publication page29936477db74c1868950ff6137072ad3ba1f146bf412ba5b2910a33b076ab083
Manifest80b4526af5276641d16189b4efa60858ed940936c48307796669bc884f4eeb93

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
SignatureWugnnwXCgcIRQiFBwXnA00XhuUIJLL0aeySJ9CzwvNuVobsnUpyLkfwmEFgaGwVn2WOOdBqG02DD4k5uF/VRDg==
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

2026-09-17T11:05:46.577092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047854
observed 29936477db74c1868950ff6137072ad3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:46.557935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047854/manifest.json
observed 80b4526af5276641d16189b4efa60858...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:46.540946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047854/publication.md
observed b10cc35817571b819f5ad7aae71b6b67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:46.521182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047854/publication.txt
observed 385b276974fdc89654a715c436f85655...
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.