OpenTechnical

OT-2026-000027927

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two stage ejector, pulsed blow-off before 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-2026-000027927) never changes.

Identity and time

Publication numberOT-2026-000027927 · never reused
Internal UUID01a0ae72-a4a5-7cfc-827c-b9402bc23e62 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027927
StatusPUBLIC

Content hashes

Canonical text8c477d6b0085dc0d5dd28959770b4e2e40dacd64c65676274fd2c8f2d8537a89
Markdownf569b950d4e95f762204de8b308dec497918fa99fdb30f6446f4eb81248521fd
PDF
Publication page14bad56d887aafa48d66aad215ee656c294319d673160f2b5f5c5951e9c402c5
Manifestff0feee269e39a369cd9f0ba387100a8f2cd5ca68cd2887a4627c83ff0d4407a

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
SignatureI2onO3E2pJS9NwOX1pwTtfTMSFXF52UhO8fACfcPF5lIFN6cChvTjwciyu2BjIruiILz6g3pdt/se+D5E2q/Dw==
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

2026-09-17T11:42:06.377517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027927
observed 14bad56d887aafa48d66aad215ee656c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:06.360505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027927/manifest.json
observed ff0feee269e39a369cd9f0ba387100a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:06.344814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027927/publication.md
observed f569b950d4e95f762204de8b308dec49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:06.327526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027927/publication.txt
observed 8c477d6b0085dc0d5dd28959770b4e2e...
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.