OpenTechnical

OT-2026-000022253

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained 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-2026-000022253) never changes.

Identity and time

Publication numberOT-2026-000022253 · never reused
Internal UUID01a0ae6f-f4fc-7b8f-a429-4852902b4221 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022253
StatusPUBLIC

Content hashes

Canonical text86c3c4686ad94b0bb136b8d04b57df07d774d0bae302f2f61672b8ef3df59c30
Markdownf44e4940ef6d48ae6441ae2d3d29986690e862b0c40480e392cb6e66a99455e8
PDF
Publication page65f70483ad24a3d251679722783bd485f688d947b1a2bee766fd9d5115030143
Manifestaebfda3dad5818fc810e01ea244193a0fb42dac5762b1cbc262701e0c57ae402

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
Signaturea+vha1ANQA8QqUuISuD+yVAKQOpOu6y7PDYlNq1jYCKdOXgNvLJiUh3pzWZXmMeABU4t7loXPzRQKbm9s5CjDQ==
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

2026-09-17T11:53:03.111686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022253
observed 65f70483ad24a3d251679722783bd485...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:03.093222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022253/manifest.json
observed aebfda3dad5818fc810e01ea244193a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:03.075328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022253/publication.md
observed f44e4940ef6d48ae6441ae2d3d299866...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:03.054794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022253/publication.txt
observed 86c3c4686ad94b0bb136b8d04b57df07...
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.