OpenTechnical

OT-2026-000049863

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000049863) never changes.

Identity and time

Publication numberOT-2026-000049863 · never reused
Internal UUID01a0ae81-fd75-74c7-8d11-f8f51952704e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049863
StatusPUBLIC

Content hashes

Canonical text0d9ef0e9862839b3f4271fb03a81c4434c22f6ff552c45c179f0f4ea580c171a
Markdowna8a24a6a0117212253f9335f3a9f1bbe61620b40027f57d76be99d40edc712d7
PDF
Publication page0ba214fdf72910e968ecbdaef3912639bf4fd4f20d323641383e744a5300fc94
Manifestb3e55a7194be5075cb518b7abc1cee121d30cff90fed4f6536012b9b2575142b

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
SignaturevtX0ItDxbBoyH55nq/H1/fidm6quLeoOgohfqA3eOzSXSS9HeqgVA3ejfXRAoMe+eL+qd/hY+qSQkwwAkzeYBA==
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

2026-09-17T11:01:46.124472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049863
observed 0ba214fdf72910e968ecbdaef3912639...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:46.106016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049863/manifest.json
observed b3e55a7194be5075cb518b7abc1cee12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:46.085407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049863/publication.md
observed a8a24a6a0117212253f9335f3a9f1bbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:46.068382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049863/publication.txt
observed 0d9ef0e9862839b3f4271fb03a81c443...
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.