OpenTechnical

OT-2026-000053391

Publication integrity record

Four bellows cup vacuum gripper, four zone face, 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-2026-000053391) never changes.

Identity and time

Publication numberOT-2026-000053391 · never reused
Internal UUID01a0ae85-0a8f-759f-a93e-4722ca00f95d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053391
StatusPUBLIC

Content hashes

Canonical texta30ab1ab551db470cd671d04a99774a263c05470dcea2f95181b1064768f879a
Markdownedac0d83645544dfd0099037dba4a2bee2933893f79a5e87a0e5a588f8df3ee4
PDF
Publication pageae26651270efa9d894fbab5f12499a0ae280318849c74ccf5b9bbfef07d9352c
Manifest8bf1b58c5853ee59909ee36b45f8a90741913ae2a27818851132d014817b5bae

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
SignatureHrbiev1WPY2E+Rk8whXOdYaVWaIp0YB1jbMy3SMToTjawFd3+OZkrUWwwuQyaG8OJJDiuUspTRtZcMMZdvg4DA==
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

2026-09-17T10:55:06.852671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053391
observed ae26651270efa9d894fbab5f12499a0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:06.836629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053391/manifest.json
observed 8bf1b58c5853ee59909ee36b45f8a907...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:06.818181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053391/publication.md
observed edac0d83645544dfd0099037dba4a2be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:06.801750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053391/publication.txt
observed a30ab1ab551db470cd671d04a99774a2...
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.