OpenTechnical

OT-2026-000022661

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, sustained blow-off before 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-2026-000022661) never changes.

Identity and time

Publication numberOT-2026-000022661 · never reused
Internal UUID01a0ae70-46e9-73a9-8b18-37835bdb64b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022661
StatusPUBLIC

Content hashes

Canonical textbce5b1709cd370871840d2e9535e4237b4200ae4349d6c320f972022696f31e4
Markdown89ad241cc593a093cfe3848b4a365f5bc9eecf97ee12420cd204484ed9d5e396
PDF
Publication pageaabf5016151c2d38359bc1bcc56082aa6da3f8581e7a310bf4054aef00b1083c
Manifestfa44b1f0567a83fdbebace8a7556eb906c62f781f1703dd3dc3ce7caaf2a4847

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
SignatureswRj+7Uly1bsyAl3t322YlQhlMlGYqEFy8H0f1TlvYEBweK4o3U0MWkI3mYrRn76LUpQ2A3HnZ7Iq0i+lCNDDw==
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

2026-09-17T11:51:58.054508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022661
observed aabf5016151c2d38359bc1bcc56082aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:58.036940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022661/manifest.json
observed fa44b1f0567a83fdbebace8a7556eb90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:57.995642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022661/publication.md
observed 89ad241cc593a093cfe3848b4a365f5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:57.945224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022661/publication.txt
observed bce5b1709cd370871840d2e9535e4237...
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.