OpenTechnical

OT-2026-000052936

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, pulsed blow-off after set-down

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-2026-000052936) never changes.

Identity and time

Publication numberOT-2026-000052936 · never reused
Internal UUID01a0ae84-a42f-7cd9-91ce-5a1554a6b684 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052936
StatusPUBLIC

Content hashes

Canonical text42cf4f73b39fcac6eeab08f9455decf03341f5f58dfb00167b4c3424089397ee
Markdown1aedc58879b1bb440cb90a237ee4440cacc700e34ff1bbea93ba18bbb85eb02a
PDF
Publication pageba644ce006aaf7ee831d0839750f892a4c9d39546e97364b1f7aa8e61976bc70
Manifest04d9a477b4e4823949f3724f7797629d9ddbf255491768e433cd2b47edc34a06

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
SignatureipNeLJu2n6D2IkElyu83d9VppJBKQOXDn+NFp6Ofi4umd/q1zcT1CZOU9UaIsr6nQwRNmOe5oCtpZR5X49+JDA==
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

2026-09-17T10:56:36.756750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052936
observed ba644ce006aaf7ee831d0839750f892a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:35.200346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052936/manifest.json
observed 04d9a477b4e4823949f3724f7797629d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:35.182919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052936/publication.md
observed 1aedc58879b1bb440cb90a237ee4440c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:35.165557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052936/publication.txt
observed 42cf4f73b39fcac6eeab08f9455decf0...
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.