OpenTechnical

OT-2026-000103197

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, two stage ejector, 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-2026-000103197) never changes.

Identity and time

Publication numberOT-2026-000103197 · never reused
Internal UUID01a0aea4-be3e-7b6f-adf2-7c5f7756d1c1 · 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-2026-000103197
StatusPUBLIC

Content hashes

Canonical texte9f1fd70c1bdb448dbcfeadd9221e35e6b4e69667303e31c0a3dfb54da3c30d6
Markdownea1c63bbcf48733d61c92e922ae65b0c473afd472c74cb3ed85557c90165c30f
PDF
Publication paged7a7b3906d394db919428ea867c3fd28dc577ad16ed2401341fe3d05e114a9c0
Manifest6f4cf9378c7fcaf38c0501818500a764b6be2843b7492ae26eb259cdcdbf90e3

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
SignatureUanRI87x9ojcR0LVwwuqEDdEzmEkWD2Y4XtQR2wjytc+gSfwILK0Aa7Rml0Jtu+V7aC5T5ViEafZ5HDq/YemDg==
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

2026-09-17T09:23:25.325071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103197
observed d7a7b3906d394db919428ea867c3fd28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:25.307693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103197/manifest.json
observed 6f4cf9378c7fcaf38c0501818500a764...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:25.290172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103197/publication.md
observed ea1c63bbcf48733d61c92e922ae65b0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:25.271833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103197/publication.txt
observed e9f1fd70c1bdb448dbcfeadd9221e35e...
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.