OpenTechnical

OT-2026-000032722

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, pulsed blow-off 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-2026-000032722) never changes.

Identity and time

Publication numberOT-2026-000032722 · never reused
Internal UUID01a0ae75-1071-7cfc-9c07-6f1dbaa905cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032722
StatusPUBLIC

Content hashes

Canonical text1f96286c5232f777bcd49d4286d441afb1b6b5ecaf87cb81e70a364b0375e6d8
Markdown037b087d00e714e8a716e21b5f7976814240d8d9855b6f96739b545d672e3ca9
PDF
Publication page893bf4f7fe895d0bb5f54fa7455489d6a165508c5a49349d784de2cfeca03676
Manifestb4150cc8e100871287c4a2fdc250a9b305297a1b762973e302cdb8d37d28f6d9

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
Signaturer0AJE35TuCSld3mZBKAZre/9rfg+E/dbV6Ufb9TU+9QOXsoSesUdIbHvTS+IiimpdMLBMeE34rHcEuKohUIpBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:34:20.411371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032722
observed 893bf4f7fe895d0bb5f54fa7455489d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:20.391862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032722/manifest.json
observed b4150cc8e100871287c4a2fdc250a9b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:20.374053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032722/publication.md
observed 037b087d00e714e8a716e21b5f797681...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:20.355920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032722/publication.txt
observed 1f96286c5232f777bcd49d4286d441af...
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.