OpenTechnical

OT-2026-000080559

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000080559) never changes.

Identity and time

Publication numberOT-2026-000080559 · never reused
Internal UUID01a0ae96-7e79-7db0-9e6e-0629ebfa4af6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080559
StatusPUBLIC

Content hashes

Canonical text7038c962e1ff55ed76bad7a32b28f4149b42f86d85be3c3d9f628c8c99f70292
Markdown9a9a5b7c616d865a7389b43a93079dfe64f6d9ef52fc2783add5ce49ce2b479f
PDF
Publication pagea19307585a0333b2bddf9fc382e9a5ea717b71d95bd301a1fa7c2ede2523e4f4
Manifest863c5a8a45844b4c6ba4d76e184c911bd8452bfe08886a3b9fc0298acc661351

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
SignatureHX2+OW4SsK7o5zYLS9NYL3AaRZBfIgekj3P0ibGPXv4wVlFTZACFjrprXQrWN+5H1vBjfHOueeFjAl36qkj7Dg==
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

2026-09-17T10:03:11.326247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080559
observed a19307585a0333b2bddf9fc382e9a5ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:11.307474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080559/manifest.json
observed 863c5a8a45844b4c6ba4d76e184c911b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:11.287244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080559/publication.md
observed 9a9a5b7c616d865a7389b43a93079dfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:11.267485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080559/publication.txt
observed 7038c962e1ff55ed76bad7a32b28f414...
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.