OpenTechnical

OT-2026-000060492

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000060492) never changes.

Identity and time

Publication numberOT-2026-000060492 · never reused
Internal UUID01a0ae8a-b7cc-767b-95f4-aedea815b044 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060492
StatusPUBLIC

Content hashes

Canonical text7fa9f71a6256146f083b691734567536102ea376b7691b74ec3867dc96eeca3d
Markdown7c102499cdedf30406908128164c1515e74c08d519b35858916d4df6d9af64e1
PDF
Publication page8446845a56450ac8f3c4db36320b670a265a5ce08b98deb9892e04564bc7c5bd
Manifest593a5ee9d6ebfd77c6466832b83e9e47e45cc3692a2340fe4f6e26d0adef5e46

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
Signature0hSDkcCrcJS7X8ZER8b56j1p2DFEKRQQr1GcqsyxXCTNwhEivAdrEiaSJXQ40U2s9MMGoaXQ402PLz1PQ6qQBQ==
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...

Independent retrieval

2026-09-17T10:42:59.221992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060492
observed 8446845a56450ac8f3c4db36320b670a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:59.206094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060492/manifest.json
observed 593a5ee9d6ebfd77c6466832b83e9e47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:59.186479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060492/publication.md
observed 7c102499cdedf30406908128164c1515...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:59.168302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060492/publication.txt
observed 7fa9f71a6256146f083b691734567536...
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.