OpenTechnical

OT-2026-000099223

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold 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-2026-000099223) never changes.

Identity and time

Publication numberOT-2026-000099223 · never reused
Internal UUID01a0aea2-8288-791f-948a-ad90d9a07536 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099223
StatusPUBLIC

Content hashes

Canonical text46bd19c755fadb7ed41bd484e1248b346b25a3a1186ab54101cc346fe86ef119
Markdown26981fafddec65f9e03ec541033510ed20494db7ca564169fd95cf73625d4798
PDF
Publication page2fd00386d4d5d8744cbf5950fb0f35aa8270b01026faa496fdf511be156c7a8c
Manifestf638bf3bb747d2c6d2d79c9b7ba85b7eaae840f81ae941a1e896135de161e2a2

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
SignatureM1aLDIlPO47Ro1XQpfopGwnHQhXgsSjHvraRJikgBJ82TkpghFcxTZivKAZYiDFjuaHZY49bbO0IA0ruj5wsBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:37.307529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099223
observed 2fd00386d4d5d8744cbf5950fb0f35aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:37.288320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099223/manifest.json
observed f638bf3bb747d2c6d2d79c9b7ba85b7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:37.269579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099223/publication.md
observed 26981fafddec65f9e03ec541033510ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:37.250754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099223/publication.txt
observed 46bd19c755fadb7ed41bd484e1248b34...
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.