OpenTechnical

OT-2026-000041290

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single 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-2026-000041290) never changes.

Identity and time

Publication numberOT-2026-000041290 · never reused
Internal UUID01a0ae79-b144-72d0-bf13-d4c4eff08436 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041290
StatusPUBLIC

Content hashes

Canonical text58a25402557b2758107c9f0cc06afe8bdcc8bd457b6ae2e7815cb71827c36b47
Markdown15f67c795eae94c7de98ed97e16c646a5c863e6d48c4a2154d4fdba488194904
PDF
Publication pagef137183fdb71fde32d47bcbae4eba34d79dd1e558e23c2a6235ff66464c64f01
Manifest08cda75feb8b6d069ccc3a4a866e7ce184d94e303afdf84a978912fe76d8e168

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
SignatureGEQIP71J2CMIqF83DdaST4dFkJUN4DN8IY1VRKJ+llOGZfSqFUQwG6emw7bNnTXu6HX/czhat4VLkRuArzeMCg==
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

2026-09-17T11:17:16.214322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041290
observed f137183fdb71fde32d47bcbae4eba34d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:16.197225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041290/manifest.json
observed 08cda75feb8b6d069ccc3a4a866e7ce1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:16.179367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041290/publication.md
observed 15f67c795eae94c7de98ed97e16c646a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:16.162885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041290/publication.txt
observed 58a25402557b2758107c9f0cc06afe8b...
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.