OpenTechnical

OT-2026-000034336

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained 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-2026-000034336) never changes.

Identity and time

Publication numberOT-2026-000034336 · never reused
Internal UUID01a0ae75-df0e-748b-94ca-8539fb51574c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034336
StatusPUBLIC

Content hashes

Canonical text0f6ffd313e525f9336c5edaa4025ced2e120dd99ba6c7702ff07336b6d66cfa0
Markdown03e31c25da2297131ff9b9fbf695017ea03c2b9708f881cfbc49c4733b95a6f0
PDF
Publication page2274c331b9931dc9c08ae347d651150d5491318d0b746dea1b6d1f0cbca97e60
Manifestc6be6dfae7dabe987922b37007c3c39267dfde445232a3ba9084e170ce5e862e

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
SignaturebG1MQ1sdTTuNejIrjsscSwdPxyJmgcf81oN+FSAQ2K/sJ8n06qS+QR9xQA7z1I0p/gdsLCBQDpf6Ltob2gO6DA==
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

2026-09-17T11:31:02.010863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034336
observed 2274c331b9931dc9c08ae347d651150d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:01.992489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034336/manifest.json
observed c6be6dfae7dabe987922b37007c3c392...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:01.974060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034336/publication.md
observed 03e31c25da2297131ff9b9fbf695017e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:01.955030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034336/publication.txt
observed 0f6ffd313e525f9336c5edaa4025ced2...
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.