OpenTechnical

OT-2026-000050551

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000050551) never changes.

Identity and time

Publication numberOT-2026-000050551 · never reused
Internal UUID01a0ae82-5c49-7f68-9d71-cfa98c094c91 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050551
StatusPUBLIC

Content hashes

Canonical text387137210a99ca9f84a376b0713897c52dbef6153a8251aace0f6a79f71cf29d
Markdowncd0b3546b786158ed4e2bc0e5922477b2c0f538c59f99362d35351926551819b
PDF
Publication pageb9f1d3ac8ada09b7047343cab5dda513e7b9acb7ac5c2db66b70f4a20ef81f0e
Manifest7630a131d55f831540a7d42c1e4537c6984472a2ed3fe19aaa26ed0c6a20b65f

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
Signature3yf+2ADPtpkUTDKA7n+zHfK4nksOWmjn50/kUbeFGBG8vo5HDg3FwUFdNhKqw4Ckd0+g/3L0qChlNkXlqpP1AA==
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

2026-09-17T11:01:38.942101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050551
observed b9f1d3ac8ada09b7047343cab5dda513...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:38.926130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050551/manifest.json
observed 7630a131d55f831540a7d42c1e4537c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:38.910519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050551/publication.md
observed cd0b3546b786158ed4e2bc0e5922477b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:38.895011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050551/publication.txt
observed 387137210a99ca9f84a376b0713897c5...
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.