OpenTechnical

OT-2026-000033532

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000033532) never changes.

Identity and time

Publication numberOT-2026-000033532 · never reused
Internal UUID01a0ae75-a38e-75bb-9c50-5c709e3b3ca5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033532
StatusPUBLIC

Content hashes

Canonical texta7168ecebfccbd70dbb4dd5a159ea3b32da6110417f266ec89343073ea4224f1
Markdownb261d3600578166afdc3a7053bfd54d95bfb60b200c199347854cd125c6499aa
PDF
Publication page5aefe31554f7b34283351988e0717effa50784473f877447b64eacc22cfa49c6
Manifest01107412cc91f6ce7224f6c24ddf90ea903df4e9fdc79a2b997f6574bc130fef

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
SignatureZHaGkJco5wXTk4Ah+jULzRkLCM1YkUPKNnM9hcZds3BCpdUCinwBoGAVBhjeh/FBNy0ZOYDd3A6d2IGS5rHPAA==
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

2026-09-17T11:31:23.474132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033532
observed 5aefe31554f7b34283351988e0717eff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:23.455860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033532/manifest.json
observed 01107412cc91f6ce7224f6c24ddf90ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:23.435904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033532/publication.md
observed b261d3600578166afdc3a7053bfd54d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:23.418937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033532/publication.txt
observed a7168ecebfccbd70dbb4dd5a159ea3b3...
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.