OpenTechnical

OT-2026-000053941

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000053941) never changes.

Identity and time

Publication numberOT-2026-000053941 · never reused
Internal UUID01a0ae85-b3a6-7e8a-aa55-3485fe466a9f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053941
StatusPUBLIC

Content hashes

Canonical textf9c87809798fd7cc169d0d56d2f0555a6fae9da1a4377cc55a7e7ebc3b71e236
Markdowna7bd9ca5b4257fd0845af04383323419e1fa4145bc66c4507ffe64a960240319
PDF
Publication page909b230fab53bf23a059c20f1fbc68f23ef85774b35bd1fb8a96a47c282a818d
Manifest0bb2a1c1770199adef3c74cbd3f272a86045ca7b848c5342033339f32750ebbd

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
Signature0f4KcHbSDGJqWIqnzNGTvpGWtYWkYzAYHkKO59HL40A0h9efuL5BvB3iJYZO4U5Z6MTSQreCdvS0Tcx8M38IBA==
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

2026-09-17T10:54:11.331751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053941
observed 909b230fab53bf23a059c20f1fbc68f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:11.314597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053941/manifest.json
observed 0bb2a1c1770199adef3c74cbd3f272a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:11.298440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053941/publication.md
observed a7bd9ca5b4257fd0845af04383323419...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:11.279579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053941/publication.txt
observed f9c87809798fd7cc169d0d56d2f0555a...
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.