OpenTechnical

OT-2026-000050127

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two 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-2026-000050127) never changes.

Identity and time

Publication numberOT-2026-000050127 · never reused
Internal UUID01a0ae81-fd79-767a-9b16-9a4696be6be3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050127
StatusPUBLIC

Content hashes

Canonical textb00ea1ae12154ba3bea82b6678ffc3fadba0580bd2545e08b27f577b1cadadb4
Markdown59f36b6f47f2eeddb787c1b669612c4c28de0db83bc17741f33838e3d5fb8c57
PDF
Publication page8b7d88aeba1e410801d14fa9ea12f5e22c9add2d0ecb37ff6f5846b8b9166361
Manifest7bf23d418ccf5d7e415ab3369781a7f5a32b1e3acc7914d77033f87790118207

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
SignatureZVpZILeeE8oYcThNmdEOkKeffIX8H0geurbeiWjRww31ud4ksol/Xtsm4JhqXr05tGXQnBVAeFk6+yururgoBA==
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

2026-09-17T11:02:08.088788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050127
observed 8b7d88aeba1e410801d14fa9ea12f5e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:08.070904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050127/manifest.json
observed 7bf23d418ccf5d7e415ab3369781a7f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:08.051770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050127/publication.md
observed 59f36b6f47f2eeddb787c1b669612c4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:08.034853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050127/publication.txt
observed b00ea1ae12154ba3bea82b6678ffc3fa...
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.