OpenTechnical

OT-2026-000032893

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000032893) never changes.

Identity and time

Publication numberOT-2026-000032893 · never reused
Internal UUID01a0ae75-4842-72d5-9379-e57de6859675 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032893
StatusPUBLIC

Content hashes

Canonical texta8c0f5fa6db09f5f561b8b98978fc65f4cfb11eea0094010cf585a63dc52188e
Markdown036a32f44e06aa666671d18431a0afefa381f8f4008b444d1cff6111202ac85f
PDF
Publication pageaa6cd2640d16c76b2709700c47e081ee2299895d968270e12ad7ed07e655d30e
Manifestacff28f2e32f32b215fea079b5cab80eda50f4c4142ab80ac8994c6028067e4c

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
SignaturexHwGr8V52ZsOKkToxnu/QJuRnBuGUGnK8zL2J0O9RpN6z63rulnlI8kXp/3iGV8AkUgA3/rz1H4dbmYTLwwpCA==
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

2026-09-17T11:32:28.773536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032893
observed aa6cd2640d16c76b2709700c47e081ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:28.755217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032893/manifest.json
observed acff28f2e32f32b215fea079b5cab80e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:28.737048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032893/publication.md
observed 036a32f44e06aa666671d18431a0afef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:28.716235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032893/publication.txt
observed a8c0f5fa6db09f5f561b8b98978fc65f...
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.