OpenTechnical

OT-2026-000056808

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, 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-2026-000056808) never changes.

Identity and time

Publication numberOT-2026-000056808 · never reused
Internal UUID01a0ae87-7af7-76c1-89e8-fcee97f10595 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056808
StatusPUBLIC

Content hashes

Canonical textb470028afd7756189aa047e6c3f36f933a15abd6dcef0af0403c0d2e1c751c07
Markdown3de520ffff9089f199f93df78ca40eac76a5b09107e09f9bfc0d9b40b5286443
PDF
Publication page61e0f406b30a96465fec4d5bf7d09c9be8248f63394ef6d76a2903dd8de2996a
Manifestc5c1ab8fe9fd80890f5fa84610c18501311620b446f374606ab94ee6ca7bcdc3

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
SignatureqAtgsgyIaBVf7hN4GZyMDs7EfDvlYjC6T6vBVhb6YOi+sFan7gygv2JXu/Tlzfxu/RDmdIl8+PNhEm8lY8xmCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:17.672005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056808
observed 61e0f406b30a96465fec4d5bf7d09c9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:17.652852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056808/manifest.json
observed c5c1ab8fe9fd80890f5fa84610c18501...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:17.629594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056808/publication.md
observed 3de520ffff9089f199f93df78ca40eac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:17.611433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056808/publication.txt
observed b470028afd7756189aa047e6c3f36f93...
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.