OpenTechnical

OT-2026-000079701

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, sustained 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-2026-000079701) never changes.

Identity and time

Publication numberOT-2026-000079701 · never reused
Internal UUID01a0ae96-4375-793d-ac20-196228aa1e96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079701
StatusPUBLIC

Content hashes

Canonical textd6e48ef9e75d5a6bcd7099e0ac1e7876e32d1dfb8c522571192e460d9cf53f76
Markdown5b318619d0c14dfce9efe7f9f2d6347a8e726747e913065087c76f5e8f147952
PDF
Publication page9f9ffa5b66857ebe967c0f2103f5e988aefd9a2fc96ed0a46e8e5d866deddf92
Manifest0b6624d64a39d615612dd7136a441107a0529a3c3531f96236d61e39232085bc

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
Signature6z2ZlL78Kke8tbmsXjzXzViX+4UamQVShILCCHcIb8inLCtv+7aSMx44wnohly/A339FG33YKd6b8+2v6vPtDA==
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

2026-09-17T10:03:28.516964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079701
observed 9f9ffa5b66857ebe967c0f2103f5e988...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:28.499919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079701/manifest.json
observed 0b6624d64a39d615612dd7136a441107...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:28.482513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079701/publication.md
observed 5b318619d0c14dfce9efe7f9f2d6347a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:28.462439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079701/publication.txt
observed d6e48ef9e75d5a6bcd7099e0ac1e7876...
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.