OpenTechnical

OT-2026-000050098

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000050098) never changes.

Identity and time

Publication numberOT-2026-000050098 · never reused
Internal UUID01a0ae81-fd79-78bb-9833-9e2d03b1326a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050098
StatusPUBLIC

Content hashes

Canonical text67b9652e815ae8e75e3ef05e9b9d25a863ee92c9e315972cbb91a97a2171e86f
Markdownc12f481a0f52bbee91dbb94db5a1fe4bd3df0336e2711d7cb9d293c3f08a0ef6
PDF
Publication pagee22763521c167756f5fea0f1c27e0dabb9c8a37dbc60e2a30a55c79a276ceda9
Manifeste783c3ef70208750bee92549fea45af3f16ddbf05d206392c8239739983060d8

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
Signaturet9YqLdwENMYsIbIIcjbEK5VguPLYagom/6etwPr+1Fs4/fieevBrIbZinRj4kbxY2X6vSZfPHC5AeF8GHefkAQ==
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

2026-09-17T11:02:05.859793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050098
observed e22763521c167756f5fea0f1c27e0dab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:05.839728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050098/manifest.json
observed e783c3ef70208750bee92549fea45af3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:05.820592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050098/publication.md
observed c12f481a0f52bbee91dbb94db5a1fe4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:05.803668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050098/publication.txt
observed 67b9652e815ae8e75e3ef05e9b9d25a8...
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.