OpenTechnical

OT-2026-000040158

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000040158) never changes.

Identity and time

Publication numberOT-2026-000040158 · never reused
Internal UUID01a0ae79-26ff-7148-80d9-8fa816daf023 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040158
StatusPUBLIC

Content hashes

Canonical text17be62154b01fedecaedc81c91f4d92776f49622d2d737c5614c5e5ceab14d1c
Markdowndf7af8e1eaf41ccc15b8228c916e2ef6143c9a26aadc9fb35345b63fc9d7737d
PDF
Publication page26d11155382f9d89208f49819f398842b021844f2c40cd684eb35c2766b4d45e
Manifestebc677fd99d6d5d8be597c76b20ca6dcc6185a903625d281172dbfbe69a25a37

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
SignatureBEWwNrfVOFri4pKvYHDfU7cg+XPGWRwpRnzhU5OgtPhREP1Uih/NyP+ueC859zHMf7gtzgoPuuKKD0TP7wgwAQ==
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

2026-09-17T11:19:01.977118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040158
observed 26d11155382f9d89208f49819f398842...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:01.959417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040158/manifest.json
observed ebc677fd99d6d5d8be597c76b20ca6dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:01.943954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040158/publication.md
observed df7af8e1eaf41ccc15b8228c916e2ef6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:01.927262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040158/publication.txt
observed 17be62154b01fedecaedc81c91f4d927...
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.