OpenTechnical

OT-2026-000070590

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-2026-000070590) never changes.

Identity and time

Publication numberOT-2026-000070590 · never reused
Internal UUID01a0ae91-5460-70f2-b616-34de118c02e3 · 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-2026-000070590
StatusPUBLIC

Content hashes

Canonical textc905b34f08f694c047d0170ced1f13471fc31a6e9706ca154aabbfcdf380e3f5
Markdown247aba9396d1ed9a0d0b2756aaace738bc0d8db4fca276cadba534f6400ed916
PDF
Publication pageac3359ac8f8fab448a8e3ab8fac2fd3da96207e64ce649be3aa6582042c15a52
Manifest1147fcf2a630c920ab689892c6b72c66247bd386225a9d8931b62ca4b6933131

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
SignatureK08Ne1fmFba4u4ezOYqVjJNmxg6WBRlLi9vWs15/iJw7GFqVIcTEbIOvbaKv1FDS1pFtWw6F9CUEpplUY1hRAA==
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

2026-09-17T10:26:26.733500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070590
observed ac3359ac8f8fab448a8e3ab8fac2fd3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:26.717429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070590/manifest.json
observed 1147fcf2a630c920ab689892c6b72c66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:26.698656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070590/publication.md
observed 247aba9396d1ed9a0d0b2756aaace738...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:26.680619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070590/publication.txt
observed c905b34f08f694c047d0170ced1f1347...
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.