OpenTechnical

OT-2026-000056680

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two 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-2026-000056680) never changes.

Identity and time

Publication numberOT-2026-000056680 · never reused
Internal UUID01a0ae87-7af6-7e38-92cb-d79751b480a7 · 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-2026-000056680
StatusPUBLIC

Content hashes

Canonical text47f1dcb3b38d44bb8990847f65548aede82bed389d14b8e7f4e1826a216de137
Markdown7be3f563f6f16a675b976ed26cbbb8d648ae19fd53e487cd899f5b67105a663f
PDF
Publication page3bf0d0e3a1ccf26056f41eb0ada53610442b4b17ab204473b61d5d28128a5278
Manifestf8696a8f3f89878108b941de698e799e4e8187594733832232101e4f54b90028

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
Signature9bNSZrm6XVMJbR/eS9zFt/DFBXIRQEAGxxIvxbUNLUI4n5dxUKI7yLTZeanKdxx+Z1A0C7854w9ud4Ita1QoBg==
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

2026-09-17T10:50:04.719360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056680
observed 3bf0d0e3a1ccf26056f41eb0ada53610...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:04.697215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056680/manifest.json
observed f8696a8f3f89878108b941de698e799e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:04.678371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056680/publication.md
observed 7be3f563f6f16a675b976ed26cbbb8d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:04.658606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056680/publication.txt
observed 47f1dcb3b38d44bb8990847f65548aed...
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.