OpenTechnical

OT-2026-000055188

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000055188) never changes.

Identity and time

Publication numberOT-2026-000055188 · never reused
Internal UUID01a0ae86-8d4f-7bc2-84b7-7b3ed28969da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:48.726317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055188
StatusPUBLIC

Content hashes

Canonical textd4b6379452cd54d4b8736504b6a1b43c86cdfb3fd96782b35d191451c95cb680
Markdown2375771fce2b8195867bbf7d39f701a6caeeba02435405753411fc8f33f4efa1
PDF
Publication pageddf0f9ce19b55f68a9a8cd6d50ea163a429f3c43a603382c761f6f303e35018f
Manifestdc9fe7ccd270bfe010d3e915c82c585bb65e8c7d3037dbe2d4fff17aa0cad2a0

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
SignatureQpQ2U8VD+YNrBljGeLNPKylcLNNIfxMkrzZy7fpbF8xMpekrw43/7aEBppw5vHgH8IeXZuA16KF2vbCiKE82Aw==
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

2026-09-17T10:53:00.115547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055188
observed ddf0f9ce19b55f68a9a8cd6d50ea163a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:00.093799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055188/manifest.json
observed dc9fe7ccd270bfe010d3e915c82c585b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:00.072241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055188/publication.md
observed 2375771fce2b8195867bbf7d39f701a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:00.009973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055188/publication.txt
observed d4b6379452cd54d4b8736504b6a1b43c...
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.