OpenTechnical

OT-2026-000056344

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, sustained 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-2026-000056344) never changes.

Identity and time

Publication numberOT-2026-000056344 · never reused
Internal UUID01a0ae87-4bd2-7443-906f-c9b41016ee4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056344
StatusPUBLIC

Content hashes

Canonical text71d64c8392e956fc0b7ae76b0d83d59f1a403a6ebf40e6cb0574280ea49a8139
Markdown5f312298ed1571c6bcb5c86b43b8bac63a67c4a707646803c7548a92a3dd6d8c
PDF
Publication pageffc251fbd8d92a7b092e79bf90f4614c9a46f86f5edc9589927c553b7148a4d2
Manifestb11f58f1d719e25711d0487f4c6ccc6ec4c5ad672c7cd6b88e134908fabda051

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
SignatureNT9jKu1OuoTaD6yG5egYTCtdB8/T12Xpi1NPENw9I5nVTIi324Hs8tbu17hpnH89MTjdg67aqJEyGVMq26o4AA==
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

2026-09-17T10:50:51.226075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056344
observed ffc251fbd8d92a7b092e79bf90f4614c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:51.208476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056344/manifest.json
observed b11f58f1d719e25711d0487f4c6ccc6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:51.190054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056344/publication.md
observed 5f312298ed1571c6bcb5c86b43b8bac6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:51.171478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056344/publication.txt
observed 71d64c8392e956fc0b7ae76b0d83d59f...
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.