OpenTechnical

OT-2026-000044905

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two 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-2026-000044905) never changes.

Identity and time

Publication numberOT-2026-000044905 · never reused
Internal UUID01a0ae7c-911c-7f64-a915-7bf8878c9e0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044905
StatusPUBLIC

Content hashes

Canonical textfd2353f26f22169a5d6181c4145da3e59a7f21a73780ecdb7ee37bc154cfa70b
Markdown6dbebe987bbc175885a94bc3bd45e63856528ae10329dd3ae2fcd49b50238103
PDF
Publication page68d643d814b3f11e58a8fc14a3c7ccab9796f16b9ed6de751bd926e596830a4f
Manifest91b11f199f15d739a49eb06ddfe2f2f359057162374f0aff144bf34f6703eb42

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
SignatureVYF0qrkaXPfK/bDVSJIStA6zh5vHSq44ZmdcjE2vH+vavenr5u2q1nFAjuAMFpxIyO6Gijc681oj140uH6pBBw==
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

2026-09-17T11:11:34.347787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044905
observed 68d643d814b3f11e58a8fc14a3c7ccab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:34.327754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044905/manifest.json
observed 91b11f199f15d739a49eb06ddfe2f2f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:34.299083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044905/publication.md
observed 6dbebe987bbc175885a94bc3bd45e638...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:34.267885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044905/publication.txt
observed fd2353f26f22169a5d6181c4145da3e5...
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.