OpenTechnical

OT-2026-000048485

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, sustained blow-off after set-down

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-2026-000048485) never changes.

Identity and time

Publication numberOT-2026-000048485 · never reused
Internal UUID01a0ae80-4de5-76a0-92ad-2a824790cf25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048485
StatusPUBLIC

Content hashes

Canonical textd217bda2ec1c516b66515bed613f76a7a6844764d7841d35d7429d1a169327b3
Markdown128ca2049c23b758f7020ec79bf1b9e80c8c32969fa2ed4d0e3a666c22e506bb
PDF
Publication pagef6b1706719621a46d9f0470df5b379aaf3e25632f2e9ee5cdeb033bceb49de6a
Manifest029a65595467b9e4ca8d0298e4312148385149534a19e778d2d0e9e3d85b59e5

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
SignaturevtgTt/h8RSZ2W1c4Dyr9gPC4EDyyET4cLJ8wUA0hsXgQCZVOQQPiMQ6C3i3IsP6zDuFeYNxBkoR0OqY/+lfrDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:05:09.199935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048485
observed f6b1706719621a46d9f0470df5b379aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:09.180174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048485/manifest.json
observed 029a65595467b9e4ca8d0298e4312148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:09.161170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048485/publication.md
observed 128ca2049c23b758f7020ec79bf1b9e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:09.140879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048485/publication.txt
observed d217bda2ec1c516b66515bed613f76a7...
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.