OpenTechnical

OT-2026-000047505

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000047505) never changes.

Identity and time

Publication numberOT-2026-000047505 · never reused
Internal UUID01a0ae7f-3e58-79b5-9eff-eb885733ac7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047505
StatusPUBLIC

Content hashes

Canonical text8c6e1c396df3c6a3c1277827834d1ba13e9269764b759d1f97bfaf80f992e10f
Markdown83d4b7ee2b3b187f7cb7b869ce65d90c5ed55e26732f66c493507480533f4163
PDF
Publication page265ea7f21356075895d9db2e361e03ef1bc1bf5f8035f5443c7562f0f79b6d64
Manifesta7f7176480affe562646bd9fe88f3e00fac44886aa38c42270cf1a78e4404a92

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
Signature8uVCiEJD0E+ZBYMWe0ahA7yKkGTzr7zjeYe5LxICVZTGpF6FTX4YjQryaLnAip5IeMcV2Gdg71CPVzrTg3mIAA==
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

2026-09-17T11:06:33.159135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047505
observed 265ea7f21356075895d9db2e361e03ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:33.141158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047505/manifest.json
observed a7f7176480affe562646bd9fe88f3e00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:33.123872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047505/publication.md
observed 83d4b7ee2b3b187f7cb7b869ce65d90c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:33.104817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047505/publication.txt
observed 8c6e1c396df3c6a3c1277827834d1ba1...
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.