OpenTechnical

OT-2026-000104337

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two 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-2026-000104337) never changes.

Identity and time

Publication numberOT-2026-000104337 · never reused
Internal UUID01a0aea5-3420-7fff-ab8b-832b9023b0e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104337
StatusPUBLIC

Content hashes

Canonical text8c8b6479998c1354f725d21d7fd465c0b45f2bf5e1a5d534184ea68e2276a171
Markdown857318699289ae20fc34459a05c1346990f1a404b7468217c0b7ee2a8e072c65
PDF
Publication pagee00e8fb3f175b4b372c1428ebfd1897caffcc7d4ba2d4c583b01c28f37b348fc
Manifest7885c483e6017873a1aa957dbacbe3ed40261264d02810f52a3b01d99687afab

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
SignatureC3npgC/YolKPEaaKET15RjNxYJHqIQy98B6duzxprcPq90V8E8aZdPAuzi70u2M8naguIjdF07muvYehSzMHBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:35.481292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104337
observed e00e8fb3f175b4b372c1428ebfd1897c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:35.464178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104337/manifest.json
observed 7885c483e6017873a1aa957dbacbe3ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:35.447358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104337/publication.md
observed 857318699289ae20fc34459a05c13469...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:35.431011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104337/publication.txt
observed 8c8b6479998c1354f725d21d7fd465c0...
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.