OpenTechnical

OT-2026-000053431

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000053431) never changes.

Identity and time

Publication numberOT-2026-000053431 · never reused
Internal UUID01a0ae85-0a90-7201-ad8f-8b2379843f92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053431
StatusPUBLIC

Content hashes

Canonical textb7dfcdd14e883b9c13c08a7757b6ef5a4995d23a1b6f0a61dbfe032e8d7ff058
Markdowna6452b02f76ec20ac9a86f9ea50f19c6c60f4173fcb062060ddea05359aeb5d2
PDF
Publication pageb07e257826fd7c10b930d4e91b90fbae8b176a97be30239bbfec2ecea593a4f9
Manifest462721b5ef4c3a524f1e08e217801895810651436414ee6e09bffeb0de0a773c

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
SignatureCM3IKnCncXyyru/dgHibsBNTAr9tDIqa+YyMRo3XYWEKIF+X8XHsW0OdhQfRePZc6vkbDm5uynCtJFRuzg7BAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:10.169526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053431
observed b07e257826fd7c10b930d4e91b90fbae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:10.148846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053431/manifest.json
observed 462721b5ef4c3a524f1e08e217801895...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:10.128496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053431/publication.md
observed a6452b02f76ec20ac9a86f9ea50f19c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:10.107856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053431/publication.txt
observed b7dfcdd14e883b9c13c08a7757b6ef5a...
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.