OpenTechnical

OT-2026-000023130

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, 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-2026-000023130) never changes.

Identity and time

Publication numberOT-2026-000023130 · never reused
Internal UUID01a0ae70-7266-7f7e-841b-c6ae98d38cb2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023130
StatusPUBLIC

Content hashes

Canonical text9596ac05350bcd90f726d2a470c40b910acdffe16dfb8dbc574e6ca09e033700
Markdownb06941809210e0a85b68d8b7050d0ff6bc8e420e29e9d23f0280b000cf8f37b6
PDF
Publication page7b7aba9fae8356d24696dc38dcb62b9c67a385b353f4c286934ec93780f1fbcf
Manifestc95d58ce96cbe44d7e00e2c5f247f01b65131853276b485709fd8da953dafa48

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
Signature1HFXovkgkhyA8XuaXZk8mXFxqbTns0ZEqm15LlgUaMgJ5BUW+3f/7TrTlF8hRcPwfJuixEbM6MpLwfz24R73Cw==
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

2026-09-17T11:51:03.616220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023130
observed 7b7aba9fae8356d24696dc38dcb62b9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:03.599238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023130/manifest.json
observed c95d58ce96cbe44d7e00e2c5f247f01b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:03.581571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023130/publication.md
observed b06941809210e0a85b68d8b7050d0ff6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:03.562613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023130/publication.txt
observed 9596ac05350bcd90f726d2a470c40b91...
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.