OpenTechnical

OT-2026-000021108

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, supply line 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-2026-000021108) never changes.

Identity and time

Publication numberOT-2026-000021108 · never reused
Internal UUID01a0ae6f-865b-7ea1-ba57-4161484b1c3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021108
StatusPUBLIC

Content hashes

Canonical text2fe3f941238b5f886775aa27cadb3a0b139f9735acedcb41eca8c94177273c36
Markdowncb0a68eaf3375f146046e4168d2f013a7f6b47b1921f29b3494da94cbca7a082
PDF
Publication page2dc246a0f1fa952d126028909364b889c5d668b8a5513341ca794a6c5510541b
Manifeste3eda6261e1359ae8fafa9995cf15f7c23018616f515314942e4bc2d3330ca31

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
Signature0mV21lkp2NYMFQzXFcUwpzZqMkpLdP8jBE8UlXh+UVuHXiC0mFb5Iiq0cFXy+2El/y9cgiiGl4n8U8Bz/aBADg==
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

2026-09-17T11:54:50.945000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021108
observed 2dc246a0f1fa952d126028909364b889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:50.926862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021108/manifest.json
observed e3eda6261e1359ae8fafa9995cf15f7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:50.908471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021108/publication.md
observed cb0a68eaf3375f146046e4168d2f013a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:50.889585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021108/publication.txt
observed 2fe3f941238b5f886775aa27cadb3a0b...
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.