OpenTechnical

OT-2026-000032233

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000032233) never changes.

Identity and time

Publication numberOT-2026-000032233 · never reused
Internal UUID01a0ae74-f7a7-7529-abd7-e7bd938aab96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032233
StatusPUBLIC

Content hashes

Canonical text96d2bc8062ddaabbc2a130a3e10b61952badb81d0bb0131f648169ff941d6b1e
Markdown17e15db650a84ac42c2a4de9bae2e2df86783f1966ca367abdd511c87a71c369
PDF
Publication page5fb081f69a20488e5ae1203a20cf12357d8e7492c659ae7029e94502e30cae62
Manifest0963f9aec8979a820d9cddff781bc7aa3b074c4b2e1baa456984ed65c9a33bb3

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
SignatureUKcQzyU3C1TW2vNjyxEEOm2BHXtMvZecsv+/e3XygAutSft7VtdZgX6XNR6M+OS/6lHxxf/MJHy9y5tdwQ8eAw==
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

2026-09-17T11:34:35.172861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032233
observed 5fb081f69a20488e5ae1203a20cf1235...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:35.154514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032233/manifest.json
observed 0963f9aec8979a820d9cddff781bc7aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:35.135025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032233/publication.md
observed 17e15db650a84ac42c2a4de9bae2e2df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:35.118359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032233/publication.txt
observed 96d2bc8062ddaabbc2a130a3e10b6195...
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.