OpenTechnical

OT-2026-000049592

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000049592) never changes.

Identity and time

Publication numberOT-2026-000049592 · never reused
Internal UUID01a0ae81-8f7d-7dc5-9f6f-6908f2fb480c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049592
StatusPUBLIC

Content hashes

Canonical text19577c2032a48a113b2e0b5725d1c59c18280c50475026773c3ffe572c65e511
Markdownacba0ac4ea86ddec22f624ee3c16dac9122147836b4824e9ada34b875d8013c2
PDF
Publication pagea41cc467f1ed1c20b5cd44797b30b2a3cead1022dca673ff0ea3eb5a001d6ceb
Manifestf91fb31308d4f51ee7a6a41c0f51be79175290f94d41810a43eb39b1577e6604

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
SignatureSJ5zN/DsRyMIVWw/t9Nd+tpCNDGySOYaq+BKyLg4MI+vqcHMKrhIGYxthYnGBeSo11JJDGeKxYPwWxB8rou/Ag==
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

2026-09-17T11:02:34.198523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049592
observed a41cc467f1ed1c20b5cd44797b30b2a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:34.181569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049592/manifest.json
observed f91fb31308d4f51ee7a6a41c0f51be79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:34.164137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049592/publication.md
observed acba0ac4ea86ddec22f624ee3c16dac9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:34.145902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049592/publication.txt
observed 19577c2032a48a113b2e0b5725d1c59c...
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.