OpenTechnical

OT-2026-000047394

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000047394) never changes.

Identity and time

Publication numberOT-2026-000047394 · never reused
Internal UUID01a0ae7f-3e57-71c2-ad4e-a8b6fa054bac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047394
StatusPUBLIC

Content hashes

Canonical text82172aae2af36fc043461b9cebbde3e7b340f073b77426de091b0ad2b5b82510
Markdowncd625637b1bc9381d6cbaa1213b5bde523f7eba9a0150d3fa5c5328ac90b5379
PDF
Publication page6666e6cc524c5326719f72bf5bd94348af690067dfeaf6f543ab1b16a529d815
Manifest58e328e7bfb76f6498fa5eef7749119e8437abbd692f6a9e3a9caa8808ad050e

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
Signaturez0d6dabFt4/ILBo4ROYRrqdW8kjrncr57LmKSue+xOj2jeE9kGNK0ShqFFBRwa0bePT8+0TbK9tu0PP89xIJBg==
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

2026-09-17T11:06:24.325481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047394
observed 6666e6cc524c5326719f72bf5bd94348...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:24.308062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047394/manifest.json
observed 58e328e7bfb76f6498fa5eef7749119e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:24.291122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047394/publication.md
observed cd625637b1bc9381d6cbaa1213b5bde5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:24.272923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047394/publication.txt
observed 82172aae2af36fc043461b9cebbde3e7...
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.