OpenTechnical

OT-2026-000051784

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000051784) never changes.

Identity and time

Publication numberOT-2026-000051784 · never reused
Internal UUID01a0ae83-7c83-788c-85dc-6682ab90b8a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051784
StatusPUBLIC

Content hashes

Canonical text6f226b91460aa38702d4c26a4229caf2a32149732b5cc84a71ccd2ffa94dbeb9
Markdown413c3992fa67fd891482ef6b495fd0c88041745ba135f0cc69d590b7b51bcf38
PDF
Publication page9b7c10792b654303ee3121d61d7e43f2f919dd566f33c523d0dba2e70ead444b
Manifestaf59e0e0e4812449faeae17682e265ca9bcb4ccb7f78afa908f3d12dbdf60f6e

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
SignaturerewndDiBvhnk/90+i6Tb9DtVDOJw88MLZ5+DVlqT9VVPfmscT4qvQeL0kHwMjHLA9t/nK9Cj3Uv6KFL2Sg1uCQ==
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

2026-09-17T10:58:41.620949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051784
observed 9b7c10792b654303ee3121d61d7e43f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:41.602612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051784/manifest.json
observed af59e0e0e4812449faeae17682e265ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:41.580771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051784/publication.md
observed 413c3992fa67fd891482ef6b495fd0c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:41.559190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051784/publication.txt
observed 6f226b91460aa38702d4c26a4229caf2...
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.