OpenTechnical

OT-2026-000079251

Publication integrity record

Four cup vacuum gripper, four zone face, six 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-2026-000079251) never changes.

Identity and time

Publication numberOT-2026-000079251 · never reused
Internal UUID01a0ae96-0b90-7eac-af45-a6c74d873586 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079251
StatusPUBLIC

Content hashes

Canonical text2294fd7b5cf8ea60315d0bce5d0d03c9a387ebbbdb1f7d8c7460d1a603e5a948
Markdown1a5b616df3c2723afa84d9f5ff905cc81cdc5bb6522c03830c48324631d4961b
PDF
Publication page79a0c2868c7e07cf2cd4e0db7c8c39d4f8c86d02d8529a697a32ed2e480ff960
Manifest37936c8656c7e78e6be968906c08a03e5a1b56aea04ef0db52aab19e95521683

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
Signature2rEwmFe/46hoHZ7Ogh4YWw79aZpalBxQJFeLE1f9bS9ls2gULOPZ589EdopORm9Z5dGJLIYwwsK328iXGtXhAQ==
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

2026-09-17T10:04:50.651555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079251
observed 79a0c2868c7e07cf2cd4e0db7c8c39d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:50.633571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079251/manifest.json
observed 37936c8656c7e78e6be968906c08a03e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:50.615963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079251/publication.md
observed 1a5b616df3c2723afa84d9f5ff905cc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:50.597798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079251/publication.txt
observed 2294fd7b5cf8ea60315d0bce5d0d03c9...
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.