OpenTechnical

OT-2026-000063028

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000063028) never changes.

Identity and time

Publication numberOT-2026-000063028 · never reused
Internal UUID01a0ae8c-94a9-7964-b5f6-ef58a10daa79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063028
StatusPUBLIC

Content hashes

Canonical texteddcb1a9b78632529ec388cb612dc1b5ba7ff5a9099067decc660b70ec1fc5cd
Markdown4545f33847ef515052378b48603f08f673c2b61ab21b81ce6c400e774a9f1def
PDF
Publication page3ddc006f1fbc583581d4be25c2dd13fc6148f02340365b1a409c3cbf97d0f842
Manifest8a8b28d75b89b265932f3356f86023d7d41285fd2a6787cf8ec471f0152e1d12

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
SignatureNG04TSwUIouY4wRANmVerhDCg34Ghy9DOQEdvxv4yt9G8KiGkqYopuz3CynVTxIma6fD9LSgFq5TyXlTeaZZDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:40:34.861829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063028
observed 3ddc006f1fbc583581d4be25c2dd13fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:34.841934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063028/manifest.json
observed 8a8b28d75b89b265932f3356f86023d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:34.820907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063028/publication.md
observed 4545f33847ef515052378b48603f08f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:34.802421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063028/publication.txt
observed eddcb1a9b78632529ec388cb612dc1b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:46.686311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063028
observed 3ddc006f1fbc583581d4be25c2dd13fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:46.669942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063028/manifest.json
observed 8a8b28d75b89b265932f3356f86023d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:46.653332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063028/publication.md
observed 4545f33847ef515052378b48603f08f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:46.636814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063028/publication.txt
observed eddcb1a9b78632529ec388cb612dc1b5...
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.