OpenTechnical

OT-2026-000030191

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000030191) never changes.

Identity and time

Publication numberOT-2026-000030191 · never reused
Internal UUID01a0ae73-e500-72af-b3d0-761f40920a01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030191
StatusPUBLIC

Content hashes

Canonical text8a31e35621a3bae29adf52a77f8d009f70cfede0e402578fbf6e8bd9b4bd3f79
Markdown2d749fdbbef5f590fc05c92cab8c1b0636cd5544921112447948b838a06c9d29
PDF
Publication page1a543144a004618d52e4058fdfb3875ebccc14e2797ae73d6f54ecd96ed5ca9f
Manifested2c0033816113c6d763e2fc8f722a2cfa6db2bdbcab81a1553c37cb47970103

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
Signaturezli4BosoAgRKIe4CC6J+e223oNt7T/aQbPjzxFYfxWg9PRkZpx6Z9cj6lIDkiHc/b5RPQgF/14A/SKLHc4q8CQ==
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

2026-09-17T11:40:33.480864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030191
observed 1a543144a004618d52e4058fdfb3875e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:33.464540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030191/manifest.json
observed ed2c0033816113c6d763e2fc8f722a2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:33.445609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030191/publication.md
observed 2d749fdbbef5f590fc05c92cab8c1b06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:33.429915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030191/publication.txt
observed 8a31e35621a3bae29adf52a77f8d009f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:49.813802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030191
observed 1a543144a004618d52e4058fdfb3875e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:49.796418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030191/manifest.json
observed ed2c0033816113c6d763e2fc8f722a2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:49.779164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030191/publication.md
observed 2d749fdbbef5f590fc05c92cab8c1b06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:49.759847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030191/publication.txt
observed 8a31e35621a3bae29adf52a77f8d009f...
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.