OpenTechnical

OT-2026-000050319

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000050319) never changes.

Identity and time

Publication numberOT-2026-000050319 · never reused
Internal UUID01a0ae82-5c47-7eb7-9920-9b5a11e6159e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050319
StatusPUBLIC

Content hashes

Canonical text5dff3c32eaf70e36020f0b40c093f0af881a34f45a718fe0123c2052dfa274ae
Markdown77508fe0cb77a9c707ba446837f8ec282719ae1a661d362546797f0cd0ef30fe
PDF
Publication page03c45a58b15d65cdd01180ae91b2f91d5343f95cc97b68a99c426c9bdf5624d8
Manifestb6e8aef1134d487c2504bbeb85b763013af0e0412c1f206a0ea053ad3e8d4c5d

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
Signaturev3Q2zsqM8T2IPnGmfYZ89ywwt8kV6AEMB4Hhev8HZV/Ej4DhQp/tM1lnzc1HPNEfaiHifRWUTUTsL8RNkU1CAA==
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

2026-09-17T11:01:19.800180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050319
observed 03c45a58b15d65cdd01180ae91b2f91d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:19.783045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050319/manifest.json
observed b6e8aef1134d487c2504bbeb85b76301...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:19.766432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050319/publication.md
observed 77508fe0cb77a9c707ba446837f8ec28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:19.749598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050319/publication.txt
observed 5dff3c32eaf70e36020f0b40c093f0af...
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.