OpenTechnical

OT-2026-000038593

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, supply line 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-2026-000038593) never changes.

Identity and time

Publication numberOT-2026-000038593 · never reused
Internal UUID01a0ae78-2d54-71c0-a421-f7e17086f106 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038593
StatusPUBLIC

Content hashes

Canonical textfda28dc24dde7169fb6e1f93fc4b2ab2a184baa5429eb0f0a40cb5c5fcf4a472
Markdown3547c029c9ccae1ec7800f6f6d0c862ab9e68825bb1df7d54dd33fde4e7c9b1e
PDF
Publication pagea4396c02e8290079a4819381e6e6443cb6509410a010d922e3b12893ccb280ec
Manifest26f43e37b812cd08203619a1b1e9b54d7b1b70d2248596b01aaa8f8f14b18afe

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
SignatureW8IICTtsx0rNgotWYIFfp8RZpM1srbY40AsNNQgifLHsY4HqCes4MHm5gl2SsHran7R4gHB8oxxR0xpkHyuACg==
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

2026-09-17T11:22:52.470288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038593
observed a4396c02e8290079a4819381e6e6443c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:52.452860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038593/manifest.json
observed 26f43e37b812cd08203619a1b1e9b54d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:52.433152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038593/publication.md
observed 3547c029c9ccae1ec7800f6f6d0c862a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:52.415517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038593/publication.txt
observed fda28dc24dde7169fb6e1f93fc4b2ab2...
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.