OpenTechnical

OT-2026-000078738

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000078738) never changes.

Identity and time

Publication numberOT-2026-000078738 · never reused
Internal UUID01a0ae95-ccbc-7747-bedc-9c33b66a5df8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078738
StatusPUBLIC

Content hashes

Canonical texteac58f4c5bbeb19f14f3634890be5cd4dcad69f4b3b24d57598aa564d640cba7
Markdown87831c7b698719f4aa2e98f0038a03dadfd4dd91569624d7724a7c5eaa114e6d
PDF
Publication page97bf6902d271f59939b4775c89da1d5d63d9d08399e46fb8262e921e70dc8b94
Manifest07728a8501cdd7ca979ad1ee07ee8e332583dbfba1ea2ecb77dd7fe1e780e04e

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
SignatureQIAOGk+JM1Cdb33qernAlaIWgfnqpUvqYhWzDQ1tVWyvtr5Fu6CijlqHb3KF0QKAj4Gpxl3SOzEh+cenwJrxDA==
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

2026-09-17T10:05:31.344471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078738
observed 97bf6902d271f59939b4775c89da1d5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:31.324431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078738/manifest.json
observed 07728a8501cdd7ca979ad1ee07ee8e33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:31.303527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078738/publication.md
observed 87831c7b698719f4aa2e98f0038a03da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:31.282890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078738/publication.txt
observed eac58f4c5bbeb19f14f3634890be5cd4...
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.