OpenTechnical

OT-2026-000104371

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, three 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-2026-000104371) never changes.

Identity and time

Publication numberOT-2026-000104371 · never reused
Internal UUID01a0aea5-3421-73c9-ab2f-4f59b02149f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104371
StatusPUBLIC

Content hashes

Canonical texta109592842d087f2d7b106cfbf4d3af24049198dd6551ba561d3399b8f313ff7
Markdown612ad4804f2e400b9a0f37d425f7ea476f18409066dbb9a690be5d66d0df83b4
PDF
Publication page276fb27ffbe7a92640fece104f7d5e9d239c61058f23232355daf42fae2aae23
Manifestbf7b1c3c8a5301fd129aa6eb285ac8c39f7f9a609887e1a9b2529ae0585eb292

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
SignaturetwjT5aPOFwTAYq8tYW1e7SEk6KX/0bn/cVAp7Duj8bh1Pt/qDhPFlLaOM2es0yL1QUOtHKdpFZajLz2J5Xu+DQ==
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

2026-09-17T09:21:37.974707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104371
observed 276fb27ffbe7a92640fece104f7d5e9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:37.957112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104371/manifest.json
observed bf7b1c3c8a5301fd129aa6eb285ac8c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:37.939987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104371/publication.md
observed 612ad4804f2e400b9a0f37d425f7ea47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:37.923796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104371/publication.txt
observed a109592842d087f2d7b106cfbf4d3af2...
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.