OpenTechnical

OT-2026-000041658

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000041658) never changes.

Identity and time

Publication numberOT-2026-000041658 · never reused
Internal UUID01a0ae79-e8a0-721e-89f5-f81f13a71d30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041658
StatusPUBLIC

Content hashes

Canonical text84d8f152dd08f7ff389f1e8f03312c571c49c1614b6f5f5e3a7b4be6814fdb1e
Markdowndcf31d44fd0bfdf9c396db88a6a1f57637c2d58880221c2813e3b8d1e8db977a
PDF
Publication pageae6e7264e0a0ac2f3b88caca027224d20317b07e8323901d542501c286957b2b
Manifest7ef962b1aef07abc77b29231d67065c8151b94e69ea290b058ea0a26b40eaa4d

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
Signature2lbxqfos7Wrf54oIJwFohQV6dYTQkBU6Xrc9KZxwG8Ww6aOED6HTdfpKz74tdM3omtu3E1UY2YM7UbbBJ0EHCw==
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

2026-09-17T11:16:27.766500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041658
observed ae6e7264e0a0ac2f3b88caca027224d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:27.750814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041658/manifest.json
observed 7ef962b1aef07abc77b29231d67065c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:27.735430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041658/publication.md
observed dcf31d44fd0bfdf9c396db88a6a1f576...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:27.717144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041658/publication.txt
observed 84d8f152dd08f7ff389f1e8f03312c57...
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.