OpenTechnical

OT-2026-000071248

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000071248) never changes.

Identity and time

Publication numberOT-2026-000071248 · never reused
Internal UUID01a0ae91-e0ec-7f04-97f7-b80fee0df3f8 · 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-2026-000071248
StatusPUBLIC

Content hashes

Canonical text4e0e5c15ad99573a1cae42981553457c7f890479c2d46af0cf3df85c5aac6385
Markdown8ad84670710b7bc381d78b479b86d2907f6a68ef7e0e24e6df6875253d904292
PDF
Publication page3b205088988129b44a0826b46c9638477e547a7c2a16693e8c6571094f14d922
Manifest28f2f6b60efd30ce4c066ca6c62d50f68547c43de673b617957f997c1c901d34

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
SignatureghKpOchC3Za+VImDaTlccMcoEK4F0AZZTcpuThNKc/QgklaZHQnYauKRFiCLsKcTmwk0DWLIpTP8DKsqJJG+CQ==
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

2026-09-17T10:24:48.050614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071248
observed 3b205088988129b44a0826b46c963847...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:48.028610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071248/manifest.json
observed 28f2f6b60efd30ce4c066ca6c62d50f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:48.008080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071248/publication.md
observed 8ad84670710b7bc381d78b479b86d290...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:47.990160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071248/publication.txt
observed 4e0e5c15ad99573a1cae42981553457c...
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.