OpenTechnical

OT-2026-000016641

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000016641) never changes.

Identity and time

Publication numberOT-2026-000016641 · never reused
Internal UUID01a0ae6e-5918-7f19-b30a-952c51c10eaf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016641
StatusPUBLIC

Content hashes

Canonical text38e29e68ef5ffb3addcc25a8faf62b2acf7d1752e92969770237df36946c2030
Markdownb4f354c7833ec43f9babbfe9d0d9cd4c0a74233936f338ff4108ec9375af173c
PDF
Publication page7dc863c25571199895dd399adb4d848fc5019df0d45d9a3f4ee3f12ab5998e7f
Manifest21d3f15db38754efd912f566c2ee7c8c4ebd9e2caef85adfd735c83128a00685

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
SignaturexCSZwCm7FYtVJo/IWH4Gi4Fj6vOzulT2dPQXJX4aioUXVkUbsIzRVjbxsp3QiNWASZ1aEzOf4YLymiZxGvO/Ag==
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

2026-09-17T12:02:50.164399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016641
observed 7dc863c25571199895dd399adb4d848f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:50.146711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016641/manifest.json
observed 21d3f15db38754efd912f566c2ee7c8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:50.129035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016641/publication.md
observed b4f354c7833ec43f9babbfe9d0d9cd4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:50.112129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016641/publication.txt
observed 38e29e68ef5ffb3addcc25a8faf62b2a...
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.