OpenTechnical

OT-2026-000059668

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000059668) never changes.

Identity and time

Publication numberOT-2026-000059668 · never reused
Internal UUID01a0ae89-ec24-789c-82af-19f821cd6725 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059668
StatusPUBLIC

Content hashes

Canonical texte7f6ab38d5652035b10b85d304f50c47421700fa2bcf1593079e59245feecb48
Markdownc1fd9f06bdb4c56fa6ea6faf718e625de4d16bff0be7ae42c6c39545689cc45c
PDF
Publication pagef626adf2760f84ef4fb52a4f5dec059fa5a117cc0a2d6345d2998428927424f5
Manifest5fcc7eb95bd0353ecd77779b1d42eb7f57844392f15003fbee76a2428287d1de

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
SignatureUz92j9xhW+J1k4aGQfjWjlKtEODCfJmeMCg50NNEmaCt3NQ4F6KS/HRyUfkDrK9k/aFVZhDAQe/0EWn6A4NZCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:22.120844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059668
observed f626adf2760f84ef4fb52a4f5dec059f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:22.103622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059668/manifest.json
observed 5fcc7eb95bd0353ecd77779b1d42eb7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:22.085365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059668/publication.md
observed c1fd9f06bdb4c56fa6ea6faf718e625d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:22.067539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059668/publication.txt
observed e7f6ab38d5652035b10b85d304f50c47...
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.