OpenTechnical

OT-2026-000029914

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000029914) never changes.

Identity and time

Publication numberOT-2026-000029914 · never reused
Internal UUID01a0ae73-ac48-76e6-bc1a-dcca6c725c0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029914
StatusPUBLIC

Content hashes

Canonical text59ef6867b2899fef5a574612f53903c0da085de985244b319e3534ba6ab509a2
Markdown97b1aaafa703cca8a6094b8e0c497df2afcfc4f273b89059bd23b410dec9a82e
PDF
Publication page79e26ed15b7b9ed968f7969dc569bdfc6f672d3b04e9c772911c5ebf9ec069fa
Manifestf57219f555af029932142d36651808453bc151918e16d0e6f0121cd6f13337bd

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
SignaturevHDNeMnZvMA9wHYvcg+vq43EcspCoRjxDzw6glauRWVkzxQY9nB+u++RDS4zQL5Rctf9chzOAfla8OfeJ8PMAQ==
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

2026-09-17T11:38:37.135426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029914
observed 79e26ed15b7b9ed968f7969dc569bdfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:37.117733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029914/manifest.json
observed f57219f555af029932142d3665180845...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:37.099495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029914/publication.md
observed 97b1aaafa703cca8a6094b8e0c497df2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:37.080943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029914/publication.txt
observed 59ef6867b2899fef5a574612f53903c0...
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.