OpenTechnical

OT-2026-000041238

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000041238) never changes.

Identity and time

Publication numberOT-2026-000041238 · never reused
Internal UUID01a0ae79-b143-7879-82c3-29c10d9064c7 · 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-2026-000041238
StatusPUBLIC

Content hashes

Canonical textc5806370ae72e1e9691164f603cf853dc7123136927a23db4b4a55731e646289
Markdownbf88ca695115998ed000cdb51fdab96f6f3c74875fc813fe64fa72ea07a208b7
PDF
Publication pagef122315ba9ea9121eb8ae3798f8ad38fa3810acc3e80730804bd5423c307aaa5
Manifest100ebb9d5d219f012a9a4dade50e777533c2d02b60fe08961f63eb9a95b4f703

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
SignaturefTDFlae3nSWyQrXnL0pOl9LZBwKUy7KBphS5svSm7DKLZ5A4OJrcrrRHlAA2ChN6h/uwtBId0c9Y1rsG+VMpDg==
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

2026-09-17T11:17:12.260220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041238
observed f122315ba9ea9121eb8ae3798f8ad38f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:12.242051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041238/manifest.json
observed 100ebb9d5d219f012a9a4dade50e7775...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:12.224538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041238/publication.md
observed bf88ca695115998ed000cdb51fdab96f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:12.206615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041238/publication.txt
observed c5806370ae72e1e9691164f603cf853d...
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.