OpenTechnical

OT-2026-000005116

Publication integrity record

Bellows cup vacuum gripper, three zone face, plant vacuum fed, vented 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-2026-000005116) never changes.

Identity and time

Publication numberOT-2026-000005116 · never reused
Internal UUID01a0a92e-5d1b-7e9c-a5c3-3715aaa69cfe · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:46:23.133797Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005116
StatusPUBLIC

Content hashes

Canonical text4ad2c8be273a999fed29458c01fe352ca9e0cb23726aef9200ad3acd4431348c
Markdown4a2ac23779bf79c60e4c9d72cb0b9889c4cac6518ed6c1adae217eb68fc09449
PDF
Publication page2b0415832742ce5f31ad65a8241eeff72af8bdb31d40e4bb6cf6405aec48bc07
Manifestdb95bb5f326fd5d38973f8e0ad643bf3eb0682bde76c494eb4a4a372690a5306

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
Signature+YnmrVD56Hu2m0NHcBFhwSxNeAT2hNaeZYXAX5B5ssodZTSM+2L7vNTl1EwXVilpmxnXCgZFGsfjOs0RYStuDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:13.728048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005116
observed 2b0415832742ce5f31ad65a8241eeff7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:13.713584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005116/manifest.json
observed db95bb5f326fd5d38973f8e0ad643bf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:13.701862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005116/publication.md
observed 4a2ac23779bf79c60e4c9d72cb0b9889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:13.687591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005116/publication.txt
observed 4ad2c8be273a999fed29458c01fe352c...
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.