OpenTechnical

OT-2026-000079983

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum 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-2026-000079983) never changes.

Identity and time

Publication numberOT-2026-000079983 · never reused
Internal UUID01a0ae96-4377-7ca9-87e8-227534c48058 · 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-2026-000079983
StatusPUBLIC

Content hashes

Canonical text0a31bd3959982fba94e03cae2eae79b8ea2221e3b6c6df9e2224d4779b14d7d7
Markdown70b1b5eedf0c5e650eacb04ab7220ae454f6fd9e48e55001f81824d734198cfe
PDF
Publication pagecc1cbc56b6ae8f87c5af81cc1b5c206cea484e3a65074ea0d75c40ae23d91cae
Manifest22bdab58eb6a59a3de3bdff68553e1af51a55fc362cba1b5f48f4d1752de50b2

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
SignatureXh4zjKbGbynAH6SaXH6arNrakG+UstAup+oOk2HYgORCOpkgafG0sD6udqyqp0XmgX55uiSnvZkyi7npcJzZCQ==
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

2026-09-17T10:03:54.064735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079983
observed cc1cbc56b6ae8f87c5af81cc1b5c206c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:54.044459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079983/manifest.json
observed 22bdab58eb6a59a3de3bdff68553e1af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:54.025173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079983/publication.md
observed 70b1b5eedf0c5e650eacb04ab7220ae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:54.008310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079983/publication.txt
observed 0a31bd3959982fba94e03cae2eae79b8...
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.