OpenTechnical

OT-2026-000063923

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000063923) never changes.

Identity and time

Publication numberOT-2026-000063923 · never reused
Internal UUID01a0ae8d-53bb-7cc1-94d4-0c4293ae6f92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063923
StatusPUBLIC

Content hashes

Canonical text3bb0f39b66a1bacd413682705ca15b0117416c41238cd1ee652ec60ccd4eeeb8
Markdown362a6371f4693f60477f078c1d2768d6852eb51448c42ed9ac70d90967478151
PDF
Publication page98ae8bdc52afbf0ae9ba6e98cbb7e38e3d23c5f327fafa174e9b09f4c9c440e8
Manifestb9a860e639243d85423fbf822b5d6ef0eaa664e166208804d327d928189ee6b8

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
SignatureipKHXy3sPl9O7pDxbUmtY6Jk1KejAEX4qlqpbUnbESGCCLFY1JUTbiSFjTkSXym/qwEEJL1vK5NHrp6i6ftdCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:36:58.527134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063923
observed 98ae8bdc52afbf0ae9ba6e98cbb7e38e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:58.510644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063923/manifest.json
observed b9a860e639243d85423fbf822b5d6ef0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:58.493481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063923/publication.md
observed 362a6371f4693f60477f078c1d2768d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:58.474575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063923/publication.txt
observed 3bb0f39b66a1bacd413682705ca15b01...
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.