OpenTechnical

OT-2026-000103252

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, pulsed blow-off after 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-2026-000103252) never changes.

Identity and time

Publication numberOT-2026-000103252 · never reused
Internal UUID01a0aea4-be3f-7738-be64-fe7602e953e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103252
StatusPUBLIC

Content hashes

Canonical text2ff2b51ae196f40650af657251ef468e467e005ceb16640d5bd27bcd790a60d7
Markdown303123bc2bd8af7a564396216bf6b9b4ea3818f422ae3c65a2aa277c4215c789
PDF
Publication pagef8b9c12a3c58b8bb2ebc299763aaa819dcd1e62a701e6dfe7d562ebc7edacdf2
Manifest50f6305edcf5920d0c00ca6792feaf0dbbbafac05a3da59faad8498d622877ff

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
SignatureWAZ8xncUw+lLuTCGAi5ylgCHifVQwwn1LTXOQ7R29HFXbkFTohPgNrIoVjSP0ojulNCPYLepo4fCt8DRXyqvAA==
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

2026-09-17T09:23:29.223802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103252
observed f8b9c12a3c58b8bb2ebc299763aaa819...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:29.204801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103252/manifest.json
observed 50f6305edcf5920d0c00ca6792feaf0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:29.187166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103252/publication.md
observed 303123bc2bd8af7a564396216bf6b9b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:29.169781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103252/publication.txt
observed 2ff2b51ae196f40650af657251ef468e...
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.