OpenTechnical

OT-2026-000054380

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000054380) never changes.

Identity and time

Publication numberOT-2026-000054380 · never reused
Internal UUID01a0ae85-b3aa-7eeb-911d-3cbb0f6496c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054380
StatusPUBLIC

Content hashes

Canonical text6620ff81e7a8d93f102471987b0c979d6e35c66a328b49f29b12783f74cf42cb
Markdown273510b29ce5f254805ae99061fd74a3ff72245f2a80ef615bfd46f0d0af9d58
PDF
Publication page784711a51a4993e9e042814eda44155935d3df1a7da039a20a81edfb23b40fa8
Manifest757733c4e6763eae84d08d2d77f5265fca0f2083f6e7ace2e65381778150f5a2

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
SignatureIbciM2Upjgypo+9CEFgFvNDnX04LHrhE/WBUVapkJTdhjpvXeWyWe9Z3ZFCZpndmObd4VYtj+j5Gzu5I0e+/BA==
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

2026-09-17T10:54:54.863790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054380
observed 784711a51a4993e9e042814eda441559...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:54.843986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054380/manifest.json
observed 757733c4e6763eae84d08d2d77f5265f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:54.825282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054380/publication.md
observed 273510b29ce5f254805ae99061fd74a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:54.803721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054380/publication.txt
observed 6620ff81e7a8d93f102471987b0c979d...
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.