OpenTechnical

OT-2026-000052240

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000052240) never changes.

Identity and time

Publication numberOT-2026-000052240 · never reused
Internal UUID01a0ae83-e790-7667-a825-ad942f524a80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052240
StatusPUBLIC

Content hashes

Canonical textd4f8a378adecff42c17a43a9a5ee54814fc340ee0bda680224fa0a1a810a58cd
Markdown136329f0735eabae76ef10d0451121c55adb95e9fe4ff34c8c4dfada7e42d02c
PDF
Publication page7e43b1efa6efd23a9235585b184dc00cc464524b43605a82bfa9e624bf7c7999
Manifest533ed3fa86fd0844ea00dd7295d3b20d2b6d790a14366c2bdfe232c9365d2f51

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
SignaturevihFnwdvgX9xVnAxbCFsVmBKKK8euh+gYp22o0teRGu9SlfHEm1nTHJp+ENY3FeRA3/nyLKtqIqFmzm0kqHiBA==
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

2026-09-17T10:57:49.143581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052240
observed 7e43b1efa6efd23a9235585b184dc00c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:49.121320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052240/manifest.json
observed 533ed3fa86fd0844ea00dd7295d3b20d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:49.101585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052240/publication.md
observed 136329f0735eabae76ef10d0451121c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:49.080757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052240/publication.txt
observed d4f8a378adecff42c17a43a9a5ee5481...
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.