OpenTechnical

OT-2026-000079726

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented after 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-2026-000079726) never changes.

Identity and time

Publication numberOT-2026-000079726 · never reused
Internal UUID01a0ae96-4375-7f7c-9c3e-d117ac28479d · 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-2026-000079726
StatusPUBLIC

Content hashes

Canonical text2424cc1485b51074f7118f1dcc6a6061d83f74add15a3bf28cebba8ff43f1255
Markdownef651fb1c50c6bf14344388267f8d7e852bb2ddfa113f8c0f77a66773d73b28b
PDF
Publication page4184e3470f2ba31052add190229db9be2c7d23bddc50e2c66cc5e57af24d9a48
Manifest78c392e664201798b09cc7f02cef21b7494a8f95af6d8f6991f4b344ef624a0e

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
SignatureJsS3y/y/OUSHSB9D7vcMVubcOMUNTz6CwfC04eNOlLJ2fr0Q+810E8td9HtBE/wGQumpZIyDLfWNqo68BkIwAg==
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

2026-09-17T10:03:35.367845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079726
observed 4184e3470f2ba31052add190229db9be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:35.349663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079726/manifest.json
observed 78c392e664201798b09cc7f02cef21b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:35.332029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079726/publication.md
observed ef651fb1c50c6bf14344388267f8d7e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:35.313352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079726/publication.txt
observed 2424cc1485b51074f7118f1dcc6a6061...
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.