OpenTechnical

OT-2026-000070578

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000070578) never changes.

Identity and time

Publication numberOT-2026-000070578 · never reused
Internal UUID01a0ae91-5460-7d89-80d6-8eeab699f354 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070578
StatusPUBLIC

Content hashes

Canonical textbc99fb25390fa9a45eb67dd02d3d213ec73c4cdb93b01cfcfc8275f050b377ed
Markdownacf9d10dd587a3e398b6c3cb081feb9e0a6221585430210185da4d80afb44c58
PDF
Publication page9e97e4236ff18556c8547d42cf914fb9106d44d2e44771855fda1130f462a2d7
Manifestbd58131c91e944ba7db37006049726aacd6f58affc5053fe0f306d9385350397

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
SignaturecuRFqrJVLHKKhkfDjWUDNJcF34vMkAIsHvUO7dP4tRMaTiU0putNQNO3h3AzAwKfKhR4lAuvoV0Rp65fdKjmDw==
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

2026-09-17T10:26:25.851714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070578
observed 9e97e4236ff18556c8547d42cf914fb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:25.833270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070578/manifest.json
observed bd58131c91e944ba7db37006049726aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:25.814821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070578/publication.md
observed acf9d10dd587a3e398b6c3cb081feb9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:25.796143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070578/publication.txt
observed bc99fb25390fa9a45eb67dd02d3d213e...
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.