OpenTechnical

OT-2026-000022012

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, 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-2026-000022012) never changes.

Identity and time

Publication numberOT-2026-000022012 · never reused
Internal UUID01a0ae6f-bb5c-7f6c-a4e9-48fc49898612 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022012
StatusPUBLIC

Content hashes

Canonical text54304c825f955b01865bce68ed139718b100950279c5c3d7244385b6cbd2003e
Markdownc6ab849e79d52f57340bc1b548c371e3495529ec9310814a6886ec07363e12f6
PDF
Publication page3a71c2d85c261f94d3918212ffaa0d6c1a01beed68cd62abb2c963142fde55a1
Manifest494489086e2a387c91c424f3f00d5353f20d37bb7f2ef6dc6e7a1afd6d994bd7

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
SignatureQfTM23+lx9UnrP67s6ww6qiFShvTefifWw68GMNjazMr0wZU7JpWZVABfGCW63DxEygGwnVLDCfFAlJpAFhHBA==
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

2026-09-17T11:54:41.687318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022012
observed 3a71c2d85c261f94d3918212ffaa0d6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:41.669033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022012/manifest.json
observed 494489086e2a387c91c424f3f00d5353...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:41.650194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022012/publication.md
observed c6ab849e79d52f57340bc1b548c371e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:41.629962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022012/publication.txt
observed 54304c825f955b01865bce68ed139718...
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.