OpenTechnical

OT-2026-000025879

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, single stage ejector, 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-2026-000025879) never changes.

Identity and time

Publication numberOT-2026-000025879 · never reused
Internal UUID01a0ae71-a83e-7b67-903f-c38405f187ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025879
StatusPUBLIC

Content hashes

Canonical textc030bca2158d0d049432b01057198716500c537912fd74991063f9737812d295
Markdown04ba83d586d0bbbd308e85380213cc08f325b688312fc97f8d02f1472e5187ef
PDF
Publication pagebb6a82e89a42189aca43f1c825eb22158ed991ed538fcc0e3020cbd34469b98f
Manifest4ffd812d8548098fe557b2fdf0f23f2bced6e8be1b0865f8de46d8c3ab7608e8

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
SignatureLUkoJ5m0Mz042cnWnHNSy15tR7BqonSxeWtAJSDIoke9w9ywlefNudh6+p9wRGoHIqT4AtxlLzxwAjvCCxixDA==
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

2026-09-17T11:46:07.395862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025879
observed bb6a82e89a42189aca43f1c825eb2215...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:07.377025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025879/manifest.json
observed 4ffd812d8548098fe557b2fdf0f23f2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:07.359630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025879/publication.md
observed 04ba83d586d0bbbd308e85380213cc08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:07.334783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025879/publication.txt
observed c030bca2158d0d049432b01057198716...
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.