OpenTechnical

OT-2026-000023887

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pulsed blow-off before 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-2026-000023887) never changes.

Identity and time

Publication numberOT-2026-000023887 · never reused
Internal UUID01a0ae70-aed6-79a6-8339-f7f649fe5162 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023887
StatusPUBLIC

Content hashes

Canonical textfda80c30b9094accec1ea17dba1102989c0687e0dd84e213db38878040815167
Markdownfc582050efa8f577c4a9d252cf7d15d865ac7505cca02b1f95ccc99bcada6e7e
PDF
Publication page527183949f78cf1fa0612778af43f2526c7ca426201b26a4760456215198922c
Manifest5fb83664a9aafee152b15a1498c3a19141af913253df95b7ae8edd7b33b64c7e

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
SignaturehD74Lhp6fT9NUgzVWt8YNWJJU1/GWVLXL94CtMBR8KrhXAP6Yqsj/sW3LYJJLSeD+RB2imIZwukWN1rXVRIjDw==
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

2026-09-17T11:50:29.917574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023887
observed 527183949f78cf1fa0612778af43f252...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:29.899794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023887/manifest.json
observed 5fb83664a9aafee152b15a1498c3a191...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:29.856022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023887/publication.md
observed fc582050efa8f577c4a9d252cf7d15d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:29.818259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023887/publication.txt
observed fda80c30b9094accec1ea17dba110298...
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.