OpenTechnical

OT-2026-000057405

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented before 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-2026-000057405) never changes.

Identity and time

Publication numberOT-2026-000057405 · never reused
Internal UUID01a0ae87-d5be-78eb-8028-ca283225fdee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057405
StatusPUBLIC

Content hashes

Canonical text4da1ce1acef6ccbf35746cc4f4c24c8b6c067b32db1ddca93a15010bd9e34421
Markdownd5c156a74beb5b8f0613b3db1ae0847e68ad3af8b181d9d13802488e76cc2189
PDF
Publication page10b9f867bc33589a6b2d4dbb840d981f7f2c213a9ad276c4c970fd15577d0ef2
Manifest263ab76ff2e9b752def2e47f5bc8e26efe721abce5f599ec3c32d39df50e8c34

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
SignatureQ+FglI3kzXji9LP6vg3wHjtGFQ5j5dWhWFIZ7bQB99hEY9TLq5RLGSXNxMgq1NAifSXj/IUt89m5vYnG0+TGBg==
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

2026-09-17T10:49:41.580152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057405
observed 10b9f867bc33589a6b2d4dbb840d981f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:41.564406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057405/manifest.json
observed 263ab76ff2e9b752def2e47f5bc8e26e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:41.548755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057405/publication.md
observed d5c156a74beb5b8f0613b3db1ae0847e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:41.532008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057405/publication.txt
observed 4da1ce1acef6ccbf35746cc4f4c24c8b...
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.