OpenTechnical

OT-2026-000030994

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000030994) never changes.

Identity and time

Publication numberOT-2026-000030994 · never reused
Internal UUID01a0ae74-3fb7-7e7e-9292-b7de7c0f9c9e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030994
StatusPUBLIC

Content hashes

Canonical textda5c39833a7246c0542d674f0dee248ba38b9dd03dfd80e2935435f8bd6c9e0b
Markdownda6a531fd8f8473cc8332f21dcd0b4fe569e2f8150be5d55834aae5cf129db0a
PDF
Publication pagefb9ccdbc6a58a35d5e2117b72906794e7c8eade44d571920b52bc99a3e0a78f9
Manifestc5f7f8a8376e9d07b3f54dbe7bbf305c9e8383f4459fc0765addc7a59110ed01

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
Signatureb6i6L/YIhoTJKRU1qVbJoL+arV3hf7LhdOaxkQB3j0ekxGY2qwRvL3BRuRuaQm90UR5YJvc5YR7E+uI1L1/FBg==
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

2026-09-17T11:40:04.827772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030994
observed fb9ccdbc6a58a35d5e2117b72906794e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:04.809776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030994/manifest.json
observed c5f7f8a8376e9d07b3f54dbe7bbf305c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:04.793540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030994/publication.md
observed da6a531fd8f8473cc8332f21dcd0b4fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:04.774320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030994/publication.txt
observed da5c39833a7246c0542d674f0dee248b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:34.024442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030994
observed fb9ccdbc6a58a35d5e2117b72906794e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:34.005953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030994/manifest.json
observed c5f7f8a8376e9d07b3f54dbe7bbf305c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:33.987903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030994/publication.md
observed da6a531fd8f8473cc8332f21dcd0b4fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:33.970211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030994/publication.txt
observed da5c39833a7246c0542d674f0dee248b...
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.