OpenTechnical

OT-2026-000025087

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pulsed blow-off before set-down

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-2026-000025087) never changes.

Identity and time

Publication numberOT-2026-000025087 · never reused
Internal UUID01a0ae71-2729-7745-8f55-359cef054283 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025087
StatusPUBLIC

Content hashes

Canonical text93bf31ec5438115d8d5c77cfaad37f0faa3362d1b93c9ddb0dbaa9b1635dc494
Markdown513ee348f79307b716f30d65a627bf7d07899afe14d2fc7fc8b3b915b922253a
PDF
Publication pagefa748124d713642bd89e343577c04660eb2baa71325e50bc309fbefb8b5a064c
Manifest1ab647468961cadfbc236c4c1ddfb06a244bedf7729201b321e5560f56e010d5

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
Signature11+FSygT36HIME1d1w7dJIhCK7H1f3tIniyDC4Ps2VNBERPgq+Gu7Ms0RRyGYPiC7jvFMONdFXYfh9TjbrjaAw==
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

2026-09-17T11:48:30.312470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025087
observed fa748124d713642bd89e343577c04660...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:30.294898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025087/manifest.json
observed 1ab647468961cadfbc236c4c1ddfb06a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:30.276138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025087/publication.md
observed 513ee348f79307b716f30d65a627bf7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:30.257373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025087/publication.txt
observed 93bf31ec5438115d8d5c77cfaad37f0f...
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.