OpenTechnical

OT-2026-000051289

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, vented 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-2026-000051289) never changes.

Identity and time

Publication numberOT-2026-000051289 · never reused
Internal UUID01a0ae83-2740-7aa5-ac90-bf2789b5374e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:05.998905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051289
StatusPUBLIC

Content hashes

Canonical texta03d66458fdceb2c46ceee7a5fdc7a1621c5a78a6d01b663f192ba99238f0126
Markdown75665a454cc513806d2d966492137d0534af335f0a3e259e6956795f99f7aee6
PDF
Publication page8c06f1c83d282ae1855533cfb01dadb1758550cfa5080ea7d79647d99977775c
Manifestc0c95fe166c4add57259a052620ffaa8182e60b455605d369de479592ea14231

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
SignatureJV2AfhjFzEMgQH+LEUI+ahatCO0ify34snxz6x3gpncjVBK3itQ37mH+HCdFPM1d4SDRdHpnrfj4E6CR8k//Cg==
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

2026-09-17T10:59:05.857340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051289
observed 8c06f1c83d282ae1855533cfb01dadb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:05.837912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051289/manifest.json
observed c0c95fe166c4add57259a052620ffaa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:05.819559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051289/publication.md
observed 75665a454cc513806d2d966492137d05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:05.800377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051289/publication.txt
observed a03d66458fdceb2c46ceee7a5fdc7a16...
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.