OpenTechnical

OT-2026-000088770

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, supply line 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-2026-000088770) never changes.

Identity and time

Publication numberOT-2026-000088770 · never reused
Internal UUID01a0ae9b-8f10-7340-b00a-6c03b4a36831 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088770
StatusPUBLIC

Content hashes

Canonical text3dd44943cca985b2d05f244e2561a9119f992540d9bd158a1e6f41c50910622c
Markdown8d343fb8f18e6104f8ac90836aa386cb86e49212897ed3f52e7197b36afcc6a1
PDF
Publication page43433bdd324eb51907e88f7d938ff7db4fd99188a93b70b4208dace6e756bcc6
Manifest223acca953c1fd60fa449d835fd4c4507c51485b0d169d4c3791ed342e14a4a9

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
SignatureGSLWAc1P2mabrDl2op/Rg/UnqBqRjWFFnHD5JTwqVMjlZpd6RzRGcqCvZsRiKK9MV3mxx974SQ1Fq61r4y7XCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:48:08.446700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088770
observed 43433bdd324eb51907e88f7d938ff7db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:08.427554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088770/manifest.json
observed 223acca953c1fd60fa449d835fd4c450...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:08.410146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088770/publication.md
observed 8d343fb8f18e6104f8ac90836aa386cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:08.392433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088770/publication.txt
observed 3dd44943cca985b2d05f244e2561a911...
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.