OpenTechnical

OT-2026-000089705

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000089705) never changes.

Identity and time

Publication numberOT-2026-000089705 · never reused
Internal UUID01a0ae9c-1a22-7c08-a0ea-8c0b0f52ed65 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089705
StatusPUBLIC

Content hashes

Canonical text4a5c7966743e155fb1d0ac73cfe18551652d13e4351dade700da6b396b398f1c
Markdown4405b65af1e8d4bfac471aee99a536d95caa79e56ee547d2410a0deea5c8ae2d
PDF
Publication page74d941eaec44527b07b786689cdb719f5e52c329d779ea298e82939735736494
Manifest5b47cfdcc543e9028330cd6f9d8d3ff2316fab5716a4bc6c4c8e97236c7fcee2

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
Signature6VSJdXy+aQpNOfVl4RvCGFv84beCo5omI8gNgqzb2Q//aOgzOW5V7ziqH/FRZfO9aJdnb4zSMxkhPW4/InkeCw==
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

2026-09-17T09:46:42.389012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089705
observed 74d941eaec44527b07b786689cdb719f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:42.372153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089705/manifest.json
observed 5b47cfdcc543e9028330cd6f9d8d3ff2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:42.355879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089705/publication.md
observed 4405b65af1e8d4bfac471aee99a536d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:42.339829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089705/publication.txt
observed 4a5c7966743e155fb1d0ac73cfe18551...
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.