OpenTechnical

OT-2026-000043321

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, sustained blow-off after set-down

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-2026-000043321) never changes.

Identity and time

Publication numberOT-2026-000043321 · never reused
Internal UUID01a0ae7b-327d-7ff7-aaa3-19d651db77e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043321
StatusPUBLIC

Content hashes

Canonical text28232403f5a2bd3c5f65039e37ded99dd75fef47c47e1bf108b6d5c1ba748e61
Markdown456d94d11c23abbcf3f3fcf86222867e63b2934110c3155e00f33270a4f5b0aa
PDF
Publication pageb4d70480b42f7789e418d634b3806591dde0fc8191206e56084ecab05cac9c7f
Manifest21494031f20ccc626675c20783280c78da664f54b429b51f6adfab008210109f

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
SignaturegFic3v3ZNvIeMONjfeBlY1SuyvENa8lzXgPvrRjEZ78OCyEr4h1oqMJw/CapbWSKXzFxUlCfGiN3kHB9wyViCA==
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

2026-09-17T11:13:49.577591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043321
observed b4d70480b42f7789e418d634b3806591...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:49.558196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043321/manifest.json
observed 21494031f20ccc626675c20783280c78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:49.536785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043321/publication.md
observed 456d94d11c23abbcf3f3fcf86222867e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:49.516537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043321/publication.txt
observed 28232403f5a2bd3c5f65039e37ded99d...
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.