OpenTechnical

OT-2026-000043634

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, sustained 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-2026-000043634) never changes.

Identity and time

Publication numberOT-2026-000043634 · never reused
Internal UUID01a0ae7b-92d0-7781-9836-1e60fe911a7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043634
StatusPUBLIC

Content hashes

Canonical text06bdc05281c040f7d1195cf828313093bd9e9eda66a7189c4f0bb423c6437017
Markdown8dd9df42bc1ec3d5ddc1f0e61a48e018a9251c9c88e86b4250333952f2b96987
PDF
Publication page8ea27a577488ea989829b6daaa921853d45c151a01d6724089e34feee7f27275
Manifestdf39a42b23221332877fe657e41f775fb562529d3e78131c16a229744245c31a

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
SignaturedWOyLjC551efcN3wuXHm5JiGia4enQpBvNuRMLfu6Ool37Os7i89mP/9WlkjBuOO3gDnrUy+OptwcQ2wPc0ACA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:13:06.516182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043634
observed 8ea27a577488ea989829b6daaa921853...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:06.497597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043634/manifest.json
observed df39a42b23221332877fe657e41f775f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:06.479779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043634/publication.md
observed 8dd9df42bc1ec3d5ddc1f0e61a48e018...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:06.458817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043634/publication.txt
observed 06bdc05281c040f7d1195cf828313093...
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.