OpenTechnical

OT-2026-000018207

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, pulsed 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-2026-000018207) never changes.

Identity and time

Publication numberOT-2026-000018207 · never reused
Internal UUID01a0ae6e-b488-75bc-97d7-69d86ab9a7d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018207
StatusPUBLIC

Content hashes

Canonical text2f1b4b117040ec456b739fae18d5d47b02d80f7f7a69611f3b450bb5090aa017
Markdown2acc7a483d5940b2d1f83a3c7b193dbc41cbb2630f2fff58aa7d9378eecd20c0
PDF
Publication pagebd06ac9e94c9734c49ab3747560106cef17df0d87b4928419680af3fd628bca7
Manifest0179cdce31a6e8cfe02b9c5d5439c118db077927b475f38523fcff884d5b26e2

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
Signatured2Yz6z5d2zbaOPygF/C7fUBXS2fYdffre1zoGvtHTws0zdJBlh97GWJ3IG2Wo510lVLdDfGFEKBVlSmB9IfaCQ==
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

2026-09-17T11:59:56.306814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018207
observed bd06ac9e94c9734c49ab3747560106ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:56.287456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018207/manifest.json
observed 0179cdce31a6e8cfe02b9c5d5439c118...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:56.267385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018207/publication.md
observed 2acc7a483d5940b2d1f83a3c7b193dbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:56.218020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018207/publication.txt
observed 2f1b4b117040ec456b739fae18d5d47b...
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.