OpenTechnical

OT-2026-000061012

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, 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-2026-000061012) never changes.

Identity and time

Publication numberOT-2026-000061012 · never reused
Internal UUID01a0ae8b-12f3-7326-bcda-943ee44dcfe2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061012
StatusPUBLIC

Content hashes

Canonical text8478c767e55de2f8f7ce8be1ac3873489e973003b42c5248e14b0f320d6235e1
Markdown6c383b515d878810a31712ee0d93af0b514463d36858dc3f49249a0d0db04f12
PDF
Publication page28e1c0ef158121c946495b10a5e4ed655098bd3d620e28553bcaa8cad1c15424
Manifestc6d196c881a7ea2e65d73bea5c760293bad61d70f04ef236bc2cae124ba5340d

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
Signature1/AnzqkA3FfvXnyoiIFR9FWVru8vo2sGp8lpD8RneY+0L4RAD+ukGJaczfDARLROyEjoC9hikd6SdOTIX6wxAg==
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

2026-09-17T10:42:18.281035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061012
observed 28e1c0ef158121c946495b10a5e4ed65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:18.264107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061012/manifest.json
observed c6d196c881a7ea2e65d73bea5c760293...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:18.247208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061012/publication.md
observed 6c383b515d878810a31712ee0d93af0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:18.227270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061012/publication.txt
observed 8478c767e55de2f8f7ce8be1ac387348...
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.