OpenTechnical

OT-2026-000043791

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000043791) never changes.

Identity and time

Publication numberOT-2026-000043791 · never reused
Internal UUID01a0ae7b-d676-7dc5-9cf3-18fa739d5777 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043791
StatusPUBLIC

Content hashes

Canonical text4cea60a8d1b87f753a4ce744ae91df6557c47d455209cd89708edc06bc662988
Markdown223961f7aa2612c017013d76c8096a995b9bceb6c25ad73c020c8fbba0678c3a
PDF
Publication page68103f94ff6c1f9381f71af99f884778780de8616958aea8cf785f397b28ddab
Manifestd05914eaba444fdd8dc868d6995ee6907fd5805bdae5e509126ca21eeee840b2

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
SignatureAyosxV7pwXB1rbF82H1PPgwWUTQPDXWivYeI1lcZ0sr3hJejmqR+PQnyAhPpQ+ZBnYeY3juB2h1PD3JQ841oBg==
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

2026-09-17T11:12:05.378765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043791
observed 68103f94ff6c1f9381f71af99f884778...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:05.360611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043791/manifest.json
observed d05914eaba444fdd8dc868d6995ee690...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:05.342751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043791/publication.md
observed 223961f7aa2612c017013d76c8096a99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:05.323211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043791/publication.txt
observed 4cea60a8d1b87f753a4ce744ae91df65...
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.