OpenTechnical

OT-2026-000051900

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, 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-2026-000051900) never changes.

Identity and time

Publication numberOT-2026-000051900 · never reused
Internal UUID01a0ae83-7c85-7813-906e-4f52fd5ce83f · 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-2026-000051900
StatusPUBLIC

Content hashes

Canonical texta97bf676389b690d3ffae4fb02f316b063a5ac86da0581e8aea5069a05898bd5
Markdownf0df9aa58b33e4304aaee79826048ad715a16b75c2712e2f42e48ab6df503bc8
PDF
Publication page13d94b712d40d9b4b8c764e5578a69a7f634acb27ebfb6f628154f73555efdec
Manifest5e4d0a0824090f14f9ff9d615f0957a038181fd26ea1e2673a61a8a476c09e81

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
SignatureWhioil8Waay8TLP7iushFellGesdK8jx1sV12oUv1sqCU16YEHRHTwmUygmdCeNK2UwmX52awLjzU8gX5F8iAw==
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

2026-09-17T10:58:51.894747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051900
observed 13d94b712d40d9b4b8c764e5578a69a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:51.876142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051900/manifest.json
observed 5e4d0a0824090f14f9ff9d615f0957a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:51.859219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051900/publication.md
observed f0df9aa58b33e4304aaee79826048ad7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:51.839958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051900/publication.txt
observed a97bf676389b690d3ffae4fb02f316b0...
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.