OpenTechnical

OT-2026-000057247

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three 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-2026-000057247) never changes.

Identity and time

Publication numberOT-2026-000057247 · never reused
Internal UUID01a0ae87-d5bb-7445-93dd-b6bddae00fb2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057247
StatusPUBLIC

Content hashes

Canonical text03e39f495ca4e5e739150fbdb4d41e3ee49ce9a555bacf9cffd6f1f333c44dd0
Markdown4973a63ddd573b81b104726a6b65b0a6ff7d228813b5fff238073b6d8570f667
PDF
Publication pagecf0b6ae3eff3a14254f849e2463b22429a44051323472f64a7433c9e048e95b4
Manifestc4adb80eea288a52f4d73c95666973731922ff6a6e842671d6d780e7b8744606

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
SignatureIzNKe8pJTu2Z50+8VujkynF8MHL484N1jGcSiePo4yrPjVVSvKy8NY5uK7TtmLv56R1XBd9Vwe/GSjb5XZRDCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:18.831360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057247
observed cf0b6ae3eff3a14254f849e2463b2242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:18.813503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057247/manifest.json
observed c4adb80eea288a52f4d73c9566697373...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:18.795141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057247/publication.md
observed 4973a63ddd573b81b104726a6b65b0a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:18.779201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057247/publication.txt
observed 03e39f495ca4e5e739150fbdb4d41e3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:24.439445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057247
observed cf0b6ae3eff3a14254f849e2463b2242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:24.421486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057247/manifest.json
observed c4adb80eea288a52f4d73c9566697373...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:24.404877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057247/publication.md
observed 4973a63ddd573b81b104726a6b65b0a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:24.387478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057247/publication.txt
observed 03e39f495ca4e5e739150fbdb4d41e3e...
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.