OpenTechnical

OT-2026-000072350

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000072350) never changes.

Identity and time

Publication numberOT-2026-000072350 · never reused
Internal UUID01a0ae92-47c3-7587-9248-acf950a4951f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072350
StatusPUBLIC

Content hashes

Canonical text60a85c0709a058112a77cc38e31d30b53c51df6c12abbc12e4eb20c8c4279ce2
Markdown68347d03c965174e79de0c3b4649e955cbdda56be53d1d1e11b22d9779d3bfd6
PDF
Publication page776995c55e3b019e5145fa5ee9c445a246f5a00e87f36a44c77b4d83697c59f3
Manifeste806ca59e8a810d77380952823fe829eb271d78a8ee32d13155ede495e642098

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
SignatureJHKNy5tS/2/nqrHbEP0O/kcBEmq20PG/fXXD8tFl/txrzGrY7sdu+79JQvX3vGHT7Ll9xu9+WTLzTQFKgNqGAw==
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

2026-09-17T10:23:35.018728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072350
observed 776995c55e3b019e5145fa5ee9c445a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:35.002647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072350/manifest.json
observed e806ca59e8a810d77380952823fe829e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:34.985621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072350/publication.md
observed 68347d03c965174e79de0c3b4649e955...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:34.967709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072350/publication.txt
observed 60a85c0709a058112a77cc38e31d30b5...
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.