OpenTechnical

OT-2026-000054785

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, vented before 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-2026-000054785) never changes.

Identity and time

Publication numberOT-2026-000054785 · never reused
Internal UUID01a0ae86-1285-78bc-a1b9-271f387f0509 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054785
StatusPUBLIC

Content hashes

Canonical text5bfab7c4984d1085fb1d9de8c3942612091c89d49ef422e1436503961d62afb2
Markdown83a4cab28f84a5a65668619151e2c5a4667b63ae9b2bd9c49b96579d947fbe23
PDF
Publication page3e78c124f979d8fbba9ac621a4a03962839d909c03f4f56c47299f34920915b0
Manifest16829e0472e6424f673c05910c1c4d1578f18d54d338283bd1d35d962221bdb7

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
SignatureHOeG6sjNKK8MdbPVYG3CRLlOrNQP3GsHXJN+olQzc3JdzCyVIZS5ezAgE7/V0RAAtQ32DHShEvC2Wekl4Zu3Cw==
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

2026-09-17T10:53:58.973522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054785
observed 3e78c124f979d8fbba9ac621a4a03962...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:58.954175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054785/manifest.json
observed 16829e0472e6424f673c05910c1c4d15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:58.935001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054785/publication.md
observed 83a4cab28f84a5a65668619151e2c5a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:58.915498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054785/publication.txt
observed 5bfab7c4984d1085fb1d9de8c3942612...
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.