OpenTechnical

OT-2026-000011065

Publication integrity record

Single cup vacuum gripper, pump fed, vented 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-2026-000011065) never changes.

Identity and time

Publication numberOT-2026-000011065 · never reused
Internal UUID01a0ae6c-540e-7dc9-8f60-94145f35dd22 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011065
StatusPUBLIC

Content hashes

Canonical text19e5aa4e15b5046f35249de025690e575eea6513169e16802778ca3c8baadd0b
Markdownffe01aa27f3da738bc46131bd4c35ab5cfb0c8fc2235f3ec730201b6f6341d65
PDF
Publication page7eaf83cef096ecaf9b25734fed41205117e35a068198daa58473abffb6b224d2
Manifest43de77c00eabb676cb6ee3c5db78a0acfacc2f0cdc53955930965fa2fd8532a0

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
Signaturetqy8QM0nakonw8QY/YJeZzwN9+H1ZozC0MPKMDNvMEXhwilqIMJP5Ng6I2sUxjSJJQw0IOO0IgWOvRh5haFBBA==
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

2026-09-17T12:13:54.011821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011065
observed 7eaf83cef096ecaf9b25734fed412051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:53.991745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011065/manifest.json
observed 43de77c00eabb676cb6ee3c5db78a0ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:53.970720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011065/publication.md
observed ffe01aa27f3da738bc46131bd4c35ab5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:53.950304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011065/publication.txt
observed 19e5aa4e15b5046f35249de025690e57...
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.