OpenTechnical

OT-2026-000084324

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, sustained blow-off 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-2026-000084324) never changes.

Identity and time

Publication numberOT-2026-000084324 · never reused
Internal UUID01a0ae98-5b61-77bb-a601-f43bed0fece0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084324
StatusPUBLIC

Content hashes

Canonical textf24c10de8af78b9e2e4c72763c59bf5abe7ae67adf1acd20836833e44c1a9810
Markdown7ac8779a051af2da910e346e629900dfb826bb10529e944183cdc6c2b09495d7
PDF
Publication pagedb7c48ea0b091d01f0852702001870ec26ec4ddbcc5fee164a7ef00f649cf32c
Manifest96cfb462018b71497e357b1986908564af650ad5ec287a86ea1695569001254d

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
SignaturexjELKGmNi0vL4ACzHSX3rxRMq1H3S8b9O6rqbZpIuqeNp+TJtDq4zl8i0xV3KjITgccGRCG02+Bobh/omEycBw==
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

2026-09-17T09:56:15.000757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084324
observed db7c48ea0b091d01f0852702001870ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:14.983663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084324/manifest.json
observed 96cfb462018b71497e357b1986908564...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:14.966300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084324/publication.md
observed 7ac8779a051af2da910e346e629900df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:14.948895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084324/publication.txt
observed f24c10de8af78b9e2e4c72763c59bf5a...
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.