OpenTechnical

OT-2026-000038557

Publication integrity record

Single cup vacuum gripper, common isolation valve, single 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-2026-000038557) never changes.

Identity and time

Publication numberOT-2026-000038557 · never reused
Internal UUID01a0ae78-2d54-75ca-90de-5c0e8d320a8b · 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-2026-000038557
StatusPUBLIC

Content hashes

Canonical text943dc056dfe9ef9b0613af2c657bfca986966b2b642bf20d5c0c35383c35b5fd
Markdown8fd1547cd8d8f6a469390b51e17b9c427d847386f2104780ae499c47d6e3b525
PDF
Publication page1a4eb053f2ad0e259443db8776693eee13e39306e6b910efb97b5570ea37b862
Manifest832012aa1979c26737e2b51d9e07fc4b5fb6f04fe5d9e4b92e50c3ceb672654b

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
SignatureS7Q29XUE0XhmlhvzDsDNEuxqkqDBdjh9XUIJWczWgtZSK4b1NS6i32vywoLAiC3MXfDR/n95oFHlnuqc+gGtCQ==
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

2026-09-17T11:22:49.332331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038557
observed 1a4eb053f2ad0e259443db8776693eee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:49.314546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038557/manifest.json
observed 832012aa1979c26737e2b51d9e07fc4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:49.295555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038557/publication.md
observed 8fd1547cd8d8f6a469390b51e17b9c42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:49.276577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038557/publication.txt
observed 943dc056dfe9ef9b0613af2c657bfca9...
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.