OpenTechnical

OT-2026-000006399

Publication integrity record

Vacuum cup gripper, three zone face, common isolation valve, ejector fed, rubber cups, flat form

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-2026-000006399) never changes.

Identity and time

Publication numberOT-2026-000006399 · never reused
Internal UUID01a0a959-da23-7c1a-acf9-47bef5b8ce5d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:33:53.196967Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006399
StatusPUBLIC

Content hashes

Canonical text883517f74fb08c2b7aea794cd0b06625ea52f6b85a9c87a1fd4583b32e9cdefb
Markdown12d887eedc344bf3a804e5c602d6b768a169493f85fc28d9065070cb6cfe2a42
PDF
Publication page8c1523509907c762761d16d953fbc0cc5e672d675796a9e4c409e0ebf4a5aa92
Manifestb66dc1cd9888f11de99f5386c25884f20f47b9b5ce91d99a09e9d28b5fec0d4c

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
SignaturefW8DYuPfTxHgyRZNrn5VazdJnw2GykH6ejTq2bFkeOAPpGM5jWZblrDaghXQFEVLmGQHpfL0Jo10wuxUyJWhAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:21.942592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006399
observed 8c1523509907c762761d16d953fbc0cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:21.930077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006399/manifest.json
observed b66dc1cd9888f11de99f5386c25884f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:21.915643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006399/publication.md
observed 12d887eedc344bf3a804e5c602d6b768...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:21.903368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006399/publication.txt
observed 883517f74fb08c2b7aea794cd0b06625...
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.