OpenTechnical

OT-2026-000075435

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000075435) never changes.

Identity and time

Publication numberOT-2026-000075435 · never reused
Internal UUID01a0ae93-f201-7ceb-ba6a-0052fd91024f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075435
StatusPUBLIC

Content hashes

Canonical text7318dc01979b82843f40a87ab56a8e66a46dac3b04d2ce4fbaa54e53f65cba4b
Markdown81a40620ada4e9482e8d41152dd56581c6f14cf3644eb69ce727c81d58bc8274
PDF
Publication page7f34d611e18c10167aab0686269c00a5f7a6b57c9ee61d4b593b3fa5edd5acb0
Manifest8ac1723532848a47710fd430ce27ec9562401b571116571a239f8e25f40abfc7

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
Signature1gs6RsuWuosK0TeTmxWQMj3aXQS4hmKSBiBxSutRf9xQTl4f68lVYNYzIilZZytzRR7uwELG/l7owW6DzHo/Dg==
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

2026-09-17T10:17:37.522647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075435
observed 7f34d611e18c10167aab0686269c00a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:37.502372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075435/manifest.json
observed 8ac1723532848a47710fd430ce27ec95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:37.483514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075435/publication.md
observed 81a40620ada4e9482e8d41152dd56581...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:37.464923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075435/publication.txt
observed 7318dc01979b82843f40a87ab56a8e66...
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.