OpenTechnical

OT-2026-000044555

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000044555) never changes.

Identity and time

Publication numberOT-2026-000044555 · never reused
Internal UUID01a0ae7c-39d9-73e9-af00-c4376cd269e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044555
StatusPUBLIC

Content hashes

Canonical text7fcacf14d40b0526b2991f81872fa81efe9b63b89ca05d1d89d69b43a6643aed
Markdowne45a8269c468115a30a975d251f568a70bec3ace00c8acad7b28261c6a740ea0
PDF
Publication page1dc3fd3bd8da1d08780f89e36f85b26fe71dbb21a063b41af899b92814e40815
Manifesteb1af6623ce06b019f48e2a43ccbc15388f28dcc78e250f85d80e5b7038d9a23

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
SignaturejuUvn9Z/B22T2KHQedaCBpF9X0t22SpzPaOYHSkZWANoSxwWo2P0FxrxPTWlZQX6IdwMv6uhU6KIlVadc77aBQ==
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

2026-09-17T11:11:44.708683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044555
observed 1dc3fd3bd8da1d08780f89e36f85b26f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:44.689605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044555/manifest.json
observed eb1af6623ce06b019f48e2a43ccbc153...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:44.672809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044555/publication.md
observed e45a8269c468115a30a975d251f568a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:44.652533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044555/publication.txt
observed 7fcacf14d40b0526b2991f81872fa81e...
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.