OpenTechnical

OT-2026-000004506

Publication integrity record

Vacuum cup gripper, three zone face, six outlet manifold, three stage ejector, pressure verified

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-2026-000004506) never changes.

Identity and time

Publication numberOT-2026-000004506 · never reused
Internal UUID01a0a91a-42bf-767b-a7ed-8cf758ec9e28 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:24:25.666351Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004506
StatusPUBLIC

Content hashes

Canonical text78fbfa8edc91d8abd2b4546cd71f7b13424ada43d02999ecfde3c7839550d3d8
Markdowna2825eb6d0046d6e29599f726b5b41f686770660ac6fe14ea6189f099c04edb4
PDF
Publication pageae23dd1386a54fbd0ee071fd87e74918d170a05d405ba5b58eac4c6340cf5734
Manifestcfd0e0fc7f2a5e7befc36ea03bfccec602b67bd73d2865f4dbcdecae1784b8a7

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
SignaturefGRloCve6dcTWfx6h6CKAx93mCfzpP9G1q6uOI9ubHfIQ7VpygAFWEJqP86L4kDV9EMVjtBRyTxkmeUKSUSUCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:30:20.392791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004506
observed ae23dd1386a54fbd0ee071fd87e74918...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:20.379038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004506/manifest.json
observed cfd0e0fc7f2a5e7befc36ea03bfccec6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:20.243300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004506/publication.md
observed a2825eb6d0046d6e29599f726b5b41f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:30:20.229931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004506/publication.txt
observed 78fbfa8edc91d8abd2b4546cd71f7b13...
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.