OpenTechnical

OT-2026-000053261

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000053261) never changes.

Identity and time

Publication numberOT-2026-000053261 · never reused
Internal UUID01a0ae85-0a14-7139-a307-3d628512aed8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053261
StatusPUBLIC

Content hashes

Canonical text493beae2d86184b06f2f029bf153ec9c6cc74ad2f960a4d6608dca23c673244b
Markdown81eb40d65ac5f9b1313df4df5c4c10c4f9e6754f80fc1d2680fee274ef41dca2
PDF
Publication page3f64b9834e8f4ba88c036b0f19b7ef4eaea73e3dfb7d853cd9365002c8ff060f
Manifestfc159b52c1bc6951c8be9a93f7976204d0e66098496c9c9010a459883f0453e0

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
Signaturefj6Ql2+2B96rUU/RtlKGGS/DqIG9P+NUTiz2B+UwZcdPlQu4cmKTbOs1b/B3RIBoVn3IF7guwND91klSD2E2AA==
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

2026-09-17T08:40:59.049574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053261
observed 3f64b9834e8f4ba88c036b0f19b7ef4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:59.031333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053261/manifest.json
observed fc159b52c1bc6951c8be9a93f7976204...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:59.013129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053261/publication.md
observed 81eb40d65ac5f9b1313df4df5c4c10c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:58.995616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053261/publication.txt
observed 493beae2d86184b06f2f029bf153ec9c...
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.