OpenTechnical

OT-2026-000071378

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000071378) never changes.

Identity and time

Publication numberOT-2026-000071378 · never reused
Internal UUID01a0ae91-e0ed-7d68-8b35-e317bd335d4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071378
StatusPUBLIC

Content hashes

Canonical text4e77c89d0f062eeacec516cf33ac9b67ffd5b7a08a99f8c3a11b13fd43300689
Markdown8e9affe5a85d1a92fd3ea7b17560736b36f1d5de65e8798cf89a77ee1c6464ab
PDF
Publication pagec66e7db41144421c9ccc797a5cca1574a4003bd8c8ee5be1ae0744dfd1fa8d78
Manifestdb0df3e1e2087ca3c3324d89346e4be6dc616cb7330b32544f5f2d62feee9fdf

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
SignaturekLIB2QLdj8i9bjDVYPrABtYGwK0elmlMbteDjhW8nACm5U2ZAhJdIs1EfVUbce266ieWkbnT+lbIvXzA8RCVAQ==
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

2026-09-17T10:24:59.808929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071378
observed c66e7db41144421c9ccc797a5cca1574...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:59.791415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071378/manifest.json
observed db0df3e1e2087ca3c3324d89346e4be6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:59.773979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071378/publication.md
observed 8e9affe5a85d1a92fd3ea7b17560736b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:59.755972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071378/publication.txt
observed 4e77c89d0f062eeacec516cf33ac9b67...
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.