OpenTechnical

OT-2026-000103321

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three 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-2026-000103321) never changes.

Identity and time

Publication numberOT-2026-000103321 · never reused
Internal UUID01a0aea4-be3f-73b8-a0fb-c499db444740 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103321
StatusPUBLIC

Content hashes

Canonical text4ef1796e88d486c33cc124b5330ac09b797908c62dbb48c854a75526cb1cc694
Markdown3a6d57d78c288c00cf0775dcdc8fd9cb5a589e2b1df63825b09f650755c368f8
PDF
Publication pageec245967091c61a9cf4617e17414374fef89381faddf53ece7179e444dd70572
Manifest7184c4e3047e5a57114d4a07da0e4496fb51fdb06fa1b8183d4d82a8de6fe35a

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
SignatureQIdV1L5+bunHwfjtbKsDuixsHXi3QyRTKQFW5p2eOCDhUavfRCUQsAlq5AXrCCJJFwXHSuwQIGNKtr95cQjrDA==
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

2026-09-17T09:23:34.362068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103321
observed ec245967091c61a9cf4617e17414374f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:34.342683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103321/manifest.json
observed 7184c4e3047e5a57114d4a07da0e4496...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:34.324692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103321/publication.md
observed 3a6d57d78c288c00cf0775dcdc8fd9cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:34.306853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103321/publication.txt
observed 4ef1796e88d486c33cc124b5330ac09b...
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.