OpenTechnical

OT-2026-000075988

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000075988) never changes.

Identity and time

Publication numberOT-2026-000075988 · never reused
Internal UUID01a0ae94-2a00-768d-97a1-8b2eab943e59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075988
StatusPUBLIC

Content hashes

Canonical textff2e6e65c51233590063ef15d2bd406019d62f0f0178b424f08507041f8f3fa7
Markdown279357595aea492c410cae66ccddada12915cdd982f31ea58ef54125cede6d7f
PDF
Publication page99e3bdb274353f4b989fae10cfd6f84b833cf0ac2781986554f04d7c986a1e74
Manifest2c4ad6278ef638f2f3b4065e16fd8d0372b9adf1f367dbdf9fede63831d2164b

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
SignatureIrpqGJKGRazpJLOd09dlM9wc35tPp5gE/oy5sRjYgF5bc9PJI+CtU3+9p6xcVeuQaAaSIF6XIM7N74BoEC17Cw==
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

2026-09-17T10:20:14.068225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075988
observed 99e3bdb274353f4b989fae10cfd6f84b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:14.047714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075988/manifest.json
observed 2c4ad6278ef638f2f3b4065e16fd8d03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:14.027301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075988/publication.md
observed 279357595aea492c410cae66ccddada1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:14.007295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075988/publication.txt
observed ff2e6e65c51233590063ef15d2bd4060...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:03.211971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075988
observed 99e3bdb274353f4b989fae10cfd6f84b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:03.192754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075988/manifest.json
observed 2c4ad6278ef638f2f3b4065e16fd8d03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:02.552434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075988/publication.md
observed 279357595aea492c410cae66ccddada1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:02.533962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075988/publication.txt
observed ff2e6e65c51233590063ef15d2bd4060...
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.