OpenTechnical

OT-2026-000030113

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000030113) never changes.

Identity and time

Publication numberOT-2026-000030113 · never reused
Internal UUID01a0ae73-e4ff-7643-9d27-b4b056a20399 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030113
StatusPUBLIC

Content hashes

Canonical text0656bbcca953a08e0513e03042625fc1705edadb7a2ca3c6a4bb6fc699dc9633
Markdownfc77220c5fd9859afea4911f05baf42e7ce991f12eef2ae799985f5c2c67c1e6
PDF
Publication page19a29b9c237e91b36c05ae4baa254a6748ede99a45d49252239699e37436b2ea
Manifest6d5945f96a7713fd624b02045056eb5a4ad59efc1f324eca603209e0fad22b22

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
SignatureYFT7/ScfVlJGuHAVu3QuadSsBkfUe+4tWVvY6snxPzVpFsTBdsbpjY837WKaHOJ5umm5QnmODdx0kZRfGtzZCA==
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

2026-09-17T11:40:20.749005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030113
observed 19a29b9c237e91b36c05ae4baa254a67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:20.729215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030113/manifest.json
observed 6d5945f96a7713fd624b02045056eb5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:20.711473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030113/publication.md
observed fc77220c5fd9859afea4911f05baf42e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:20.691745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030113/publication.txt
observed 0656bbcca953a08e0513e03042625fc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:42.711197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030113
observed 19a29b9c237e91b36c05ae4baa254a67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:42.691467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030113/manifest.json
observed 6d5945f96a7713fd624b02045056eb5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:42.674125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030113/publication.md
observed fc77220c5fd9859afea4911f05baf42e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:42.656214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030113/publication.txt
observed 0656bbcca953a08e0513e03042625fc1...
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.