OpenTechnical

OT-2026-000069036

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000069036) never changes.

Identity and time

Publication numberOT-2026-000069036 · never reused
Internal UUID01a0ae90-6dce-76cc-b269-677d3bb1b7af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069036
StatusPUBLIC

Content hashes

Canonical text6414b75a055505bd29e20ef2772c4d665f40a0a618fbd19d0460ce6814c0b1f2
Markdown884127029c3f1583bcdf2ab7a86ddf67b6fe31b1b5703677010a25e3c87dc03c
PDF
Publication page9e9896facf44224045cfd110918c5d4cfb292eaee7998ca591b6c1e0af5be01f
Manifest5538b2f0d5c479d617e1874bc6f6271351323ecfc430b370f5872afea964a2bf

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
SignatureziZLUnGVP0A9j/mxfMefH5K1w+CMK10Be9tdU6ZKUO8oL8P3Wg+lLFV43FluiM11sRimN/XwjAXokcEYlCrBCQ==
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

2026-09-17T10:28:53.618314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069036
observed 9e9896facf44224045cfd110918c5d4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:53.598682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069036/manifest.json
observed 5538b2f0d5c479d617e1874bc6f62713...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:53.581631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069036/publication.md
observed 884127029c3f1583bcdf2ab7a86ddf67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:53.562673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069036/publication.txt
observed 6414b75a055505bd29e20ef2772c4d66...
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.