OpenTechnical

OT-2026-000063344

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold 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-2026-000063344) never changes.

Identity and time

Publication numberOT-2026-000063344 · never reused
Internal UUID01a0ae8c-f943-780e-a0cc-bb7c7fc50ea9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063344
StatusPUBLIC

Content hashes

Canonical textb10667a48f9574cef766090cbae7496a34756b70c27f3552b10603f968957afe
Markdown14e40190ea49e531b40aa626ed3980ef81257c64eb440947ea46046501db72e2
PDF
Publication page5fdcb6b63e284c106dcd0c3eea7ec024007c72c5c574bd7e0cd940c7308a00e5
Manifestf8b7625ecab3f6e0ee0d3645206d0d2b809e17e4dbb6822dd6a3e54ef31f8a34

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
SignatureIzhlhKffrfLLj1Scu1UUlZOPqNHqrNBdweaodseleeQdd+Z0VzjaPYCQIwfg7QnlCrdARmFDmjR4YNOsIQZCCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:14.567739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063344
observed 5fdcb6b63e284c106dcd0c3eea7ec024...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:14.549743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063344/manifest.json
observed f8b7625ecab3f6e0ee0d3645206d0d2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:14.532327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063344/publication.md
observed 14e40190ea49e531b40aa626ed3980ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:14.517814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063344/publication.txt
observed b10667a48f9574cef766090cbae7496a...
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.