OpenTechnical

OT-2026-000049468

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000049468) never changes.

Identity and time

Publication numberOT-2026-000049468 · never reused
Internal UUID01a0ae81-8f7c-75c1-8004-ddea72df69f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049468
StatusPUBLIC

Content hashes

Canonical text91250551f476ac772352f8483fe29fe71e7bf7d5ac0af2af3f62186ee26f141d
Markdown72a9d84bcb3ad89f04062745ef8191e3dbf091e3f396d536dab1381f25987475
PDF
Publication page619a9ff114b643a25d85d75ceb870afe170b14dd22a97832431560f046202880
Manifest0dfb08690e7aeb931b83b92270836ea529e8d28188303bad03d7c93aeedbc0e8

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
Signature/4M5gJaSsBcyite8WG652mtzzBEkZUjkl9HiftwBaPB/bn6nEMcdVMUGKGFzB1lliQjSuOjVvEkY0Q53K0ALBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:02:18.598076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049468
observed 619a9ff114b643a25d85d75ceb870afe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:18.578783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049468/manifest.json
observed 0dfb08690e7aeb931b83b92270836ea5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:18.559367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049468/publication.md
observed 72a9d84bcb3ad89f04062745ef8191e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:18.540119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049468/publication.txt
observed 91250551f476ac772352f8483fe29fe7...
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.