OpenTechnical

OT-2026-000098989

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, manifold 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-2026-000098989) never changes.

Identity and time

Publication numberOT-2026-000098989 · never reused
Internal UUID01a0aea2-8287-7297-ba66-415aaa74a9cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098989
StatusPUBLIC

Content hashes

Canonical text3d0244f2cf3468112e6931274734a975167e9b4aa70e329866f3ed83cdaf067f
Markdowndee3d7325279fb8f2c551ef949ee76568d22be67c284e693b45c55f207e74f3c
PDF
Publication page415e4b6906070df4267bf29f4e30b087be3c94359dae954f61fde23d895d0912
Manifest7aecf624cb0a235988c08e403194f64dcbf3775ad9dce17ddee706fcd8f3a444

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
Signature4AVOYSO+Qc4V02+pDLWVe3zl5ySU4WYFVSGHbzgJxL1HvjsptaDox4UYfoagKCzHazGZphNz3yBbF3AdEa9NBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:04.174916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098989
observed 415e4b6906070df4267bf29f4e30b087...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:04.155372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098989/manifest.json
observed 7aecf624cb0a235988c08e403194f64d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:04.137572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098989/publication.md
observed dee3d7325279fb8f2c551ef949ee7656...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:04.114670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098989/publication.txt
observed 3d0244f2cf3468112e6931274734a975...
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.