OpenTechnical

OT-2026-000080703

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, 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-2026-000080703) never changes.

Identity and time

Publication numberOT-2026-000080703 · never reused
Internal UUID01a0ae96-b973-7699-a096-4ae323dad6f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080703
StatusPUBLIC

Content hashes

Canonical text9b33f5f2ae818aaa3fb22190b0ddaaa4887e911b49623dab8d228c1a55b72145
Markdowne640329f78e31f1bf1f2489ab5e4846748c0ef064a8d428eada73cb1fce1c7dc
PDF
Publication pagef04f7d12eff2ea86d358b39453ee13abeb9223fc23c43798b80e07ea3263efdc
Manifest6c670059b2ecc9f54bddaa2536a1b66b9dda2247ab5701001c4013a1650c6a2c

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
Signature1HoJzLpj7AVWE1yVN14iQvHrfk8mgNkDeu8FHezEDM9ynKybbsWUt6GFxGwXCFwQy0lbh+I0VqFAZ6UWb/07AA==
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

2026-09-17T10:01:41.344578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080703
observed f04f7d12eff2ea86d358b39453ee13ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:41.327703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080703/manifest.json
observed 6c670059b2ecc9f54bddaa2536a1b66b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:41.311035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080703/publication.md
observed e640329f78e31f1bf1f2489ab5e48467...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:41.293637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080703/publication.txt
observed 9b33f5f2ae818aaa3fb22190b0ddaaa4...
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.