OpenTechnical

OT-2026-000040831

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000040831) never changes.

Identity and time

Publication numberOT-2026-000040831 · never reused
Internal UUID01a0ae79-6d10-7d1b-bc48-194b0fec9705 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040831
StatusPUBLIC

Content hashes

Canonical text3801fe50c2005b4ab51fc67f81a193ac4ee3e4939dddead70edcfe23da578a0f
Markdown4473da8fd506ec269e1730235b28f20af6f5c26309b9f4188a7acccd3c439b8a
PDF
Publication pagee8e3919bb5343d8a7af011be9944ffc298d4e47e0830b0037720947eb2e476b2
Manifest97ca0c0a63c321ddf3705f4d31d1ddcd96d7078555ed2588b21370c8e6a4a486

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
Signature1iuKJFqG0aTOMcK5U6OCwVpHemYSUjG9NJNoLu7IpS1jwKEGg15tEZhsuRgnsQEXT3X37yEt6IRKJxtnSbqDDw==
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

2026-09-17T11:20:10.801608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040831
observed e8e3919bb5343d8a7af011be9944ffc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.785232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040831/manifest.json
observed 97ca0c0a63c321ddf3705f4d31d1ddcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.768390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040831/publication.md
observed 4473da8fd506ec269e1730235b28f20a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:10.751541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040831/publication.txt
observed 3801fe50c2005b4ab51fc67f81a193ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:36.765986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040831
observed e8e3919bb5343d8a7af011be9944ffc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:36.746333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040831/manifest.json
observed 97ca0c0a63c321ddf3705f4d31d1ddcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:36.726217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040831/publication.md
observed 4473da8fd506ec269e1730235b28f20a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:36.707043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040831/publication.txt
observed 3801fe50c2005b4ab51fc67f81a193ac...
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.