OpenTechnical

OT-2026-000027605

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000027605) never changes.

Identity and time

Publication numberOT-2026-000027605 · never reused
Internal UUID01a0ae72-6999-7fd6-af37-901b49878685 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027605
StatusPUBLIC

Content hashes

Canonical text1fc6498ff62285b63bac5bc5d5c3da62bc6dc6623ecf202c671a480ef6abfa87
Markdown10aff45f10bf85288a881fcc09189d5a456800f2026a21e07696f45413eaacb8
PDF
Publication page39c43bf02711dfb1e98ea0e3c968c6968a1d0ecd77f9ebc8bf729a91f9883862
Manifest5fa964740ffbce360ae740bf2e620ceae40ef761721c0c8e3c4dbbd17f217dd1

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
SignaturedvDN4BnXovdkbINHF71q+ib3C5e496onZ9suOBa9lQrkYtrUr/jUZH/2dgjJgqGRK6ONvIJuhzXFqfVpWe8ABA==
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

2026-09-17T11:43:07.260324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027605
observed 39c43bf02711dfb1e98ea0e3c968c696...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:07.243573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027605/manifest.json
observed 5fa964740ffbce360ae740bf2e620cea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:07.224097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027605/publication.md
observed 10aff45f10bf85288a881fcc09189d5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:07.206274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027605/publication.txt
observed 1fc6498ff62285b63bac5bc5d5c3da62...
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.