OpenTechnical

OT-2026-000032864

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000032864) never changes.

Identity and time

Publication numberOT-2026-000032864 · never reused
Internal UUID01a0ae75-4842-7684-bf93-9a18c66a5607 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032864
StatusPUBLIC

Content hashes

Canonical text3d1a9ec45dc2647c4e34efcf259e481f5b77c293022d5aba252002b29ef34934
Markdownb69cb38168ca33f6950f6e37cb74e1d4e675559324af32c1984be39bdee25b1e
PDF
Publication page2716d06b1c6c85bf27d284489266716f0b998d639a43490b47103ef7ef47dcd0
Manifest684c42e9388317f99d74a67c92eff2a5fe2dde120e5f6d022324b5ed84ee491c

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
Signature0XGl+C81gQHnDFixRLNabXW+sjCP0q254FY4VCx6UhQz8fXR4INGfz31EPgOdTWVV4USovqtHG+DvfInUW4dBQ==
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

2026-09-17T11:32:19.929385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032864
observed 2716d06b1c6c85bf27d284489266716f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:19.911930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032864/manifest.json
observed 684c42e9388317f99d74a67c92eff2a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:19.893408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032864/publication.md
observed b69cb38168ca33f6950f6e37cb74e1d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:19.867933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032864/publication.txt
observed 3d1a9ec45dc2647c4e34efcf259e481f...
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.