OpenTechnical

OT-2026-000005529

Publication integrity record

Vacuum cup gripper, three outlet manifold, three stage ejector, pressure verified

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-2026-000005529) never changes.

Identity and time

Publication numberOT-2026-000005529 · never reused
Internal UUID01a0a93c-1251-7ce9-ab21-0d964fb68b49 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:01:21.493364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005529
StatusPUBLIC

Content hashes

Canonical text8946aec9ade6e90b72b892b12310e15c338a70406e9c023caef8f99a98185f02
Markdown33fabb48f760d9119196d34bee16f2ba1f4426c58127c05b3ae6bb7ead1d79d5
PDF
Publication page4f569cd080b433dfd328eb9875805bca7d60a8d3691b8a04e5266b3023867b29
Manifest4f8c474fb117ebc7746e868ecf41f5b6ea078131e2c60b32863602cfbf3c4dc3

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
SignatureRUXHgJcK0FWe777XM+Zn2wGkmLv5LVxXzjJbujzu2/VB3IbNh5gfSmFipuYV5Lx20BvEor2ZJkhXQEw2N9pkDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:30.153445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005529
observed 4f569cd080b433dfd328eb9875805bca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:30.140906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005529/manifest.json
observed 4f8c474fb117ebc7746e868ecf41f5b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:30.125692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005529/publication.md
observed 33fabb48f760d9119196d34bee16f2ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:29.987100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005529/publication.txt
observed 8946aec9ade6e90b72b892b12310e15c...
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.