OpenTechnical

OT-2026-000023779

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pulsed 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-2026-000023779) never changes.

Identity and time

Publication numberOT-2026-000023779 · never reused
Internal UUID01a0ae70-aed5-703c-8f5e-2ad576362a3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023779
StatusPUBLIC

Content hashes

Canonical text176b6d27da2914cd5ce3ffce6bcfa9b106f8889dbaf754fde27cf78e5b09f4d1
Markdown40492320393b116a26d51ec4d4d25970b1afcc83c9063e5fa18027f92d6eb11f
PDF
Publication page2ba493f3c4ee6bdfb306245a0eded6fdbc1a15649eb6d66e740ed821c3871acc
Manifest00671d4bccb0951f68c1e8d7b09a63a1cd3c07c7902b6acd54730e3e321eeddd

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
Signature0K2QEiJ5WBVOFfFXpjUASWvBqmpUeVne1bUTTB4qcd2o0L2DMzg7rCmvg7sjHlmH0jEx5p6Z0DFXq5JQ7U6gBg==
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

2026-09-17T11:50:15.012697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023779
observed 2ba493f3c4ee6bdfb306245a0eded6fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:14.997357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023779/manifest.json
observed 00671d4bccb0951f68c1e8d7b09a63a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:14.980016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023779/publication.md
observed 40492320393b116a26d51ec4d4d25970...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:14.961237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023779/publication.txt
observed 176b6d27da2914cd5ce3ffce6bcfa9b1...
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.