OpenTechnical

OT-2026-000026203

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, 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-2026-000026203) never changes.

Identity and time

Publication numberOT-2026-000026203 · never reused
Internal UUID01a0ae71-a841-7119-a1a2-2aac9f019036 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026203
StatusPUBLIC

Content hashes

Canonical text60dfbed002f2b1ea9bf04285ec80be25cf961868f0d037cb81d38ae4ce212187
Markdown830a40162a0a58f582e4472ce34370dd002ccf8ec3fcf424298a388b46e5db70
PDF
Publication pagec742e3014dc75ab8cad3b56cf95e9b785332bb38173ccc309f48d5edc4de37d4
Manifest8ad901d7b0be0b2012c37c6cd5a00d0c472a88bed63989e6d81373cabf092546

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
SignaturefwlvY8ZD1tEq+VIS41YQXfFSd+ww5yvQOrafo0UyBbqGpOIHsisRMtnp1gM7Icn+m4COwGzscvQmJKSLuJJwCQ==
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

2026-09-17T11:46:43.291329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026203
observed c742e3014dc75ab8cad3b56cf95e9b78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:43.270233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026203/manifest.json
observed 8ad901d7b0be0b2012c37c6cd5a00d0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:43.249241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026203/publication.md
observed 830a40162a0a58f582e4472ce34370dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:43.230751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026203/publication.txt
observed 60dfbed002f2b1ea9bf04285ec80be25...
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.