OpenTechnical

OT-2026-000061793

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, vented 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-2026-000061793) never changes.

Identity and time

Publication numberOT-2026-000061793 · never reused
Internal UUID01a0ae8b-b8ac-7205-b40b-1a571a50ff17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061793
StatusPUBLIC

Content hashes

Canonical text87298e34f315915c20e7608ce49654aba3cd5a6354e74dc15d48e5c74db5d45f
Markdown0743b9a659df7871f976435542b6b1da2becde7fe7796777b1993bdc685af0de
PDF
Publication page084772293830c17d33e700658470776981e167cc344ddcad76277763ed43e8e2
Manifest86de3a7c16f3a69af07b56b00b25f0cf6303c396fae29f82cc739721c4af2dda

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
SignatureWYOX1Qzzxm7950an2m3OMOWXPT3KK3e2MGuCZHT4rKBC0/DVJNpdGCB/TnSzQbWzlC1TKzBeqNmildt6HVEDAQ==
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...

Independent retrieval

2026-09-17T10:40:30.789547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061793
observed 084772293830c17d33e7006584707769...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:30.769886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061793/manifest.json
observed 86de3a7c16f3a69af07b56b00b25f0cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:30.749617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061793/publication.md
observed 0743b9a659df7871f976435542b6b1da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:30.728235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061793/publication.txt
observed 87298e34f315915c20e7608ce49654ab...
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.