OpenTechnical

OT-2026-000053908

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000053908) never changes.

Identity and time

Publication numberOT-2026-000053908 · never reused
Internal UUID01a0ae85-a661-70eb-a1eb-89ed60d8b10b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:49.609007Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053908
StatusPUBLIC

Content hashes

Canonical texte67977d396c9daccb5648e5924b6c7fb59246a251107dffdae3a9d1584812840
Markdown978a7b7a0a9229d67334ffe8b75010b032015803b677ac6c5586d052f4a311bc
PDF
Publication page343cd595ad8535a691418037df05c9da3658229d6358674e623c00eccac48453
Manifestf17903c38506bc182b246fb72c9232f69842dd3870490d4496cabc7a8a629002

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
Signature2/42fegl1Pg8ziUyBHH4krPqABdoO/+GP5e5qBPOsZ/PXXPXh+lPeJ4S767C9CA8Q+lVDgXTlfX6tDxOYn8hBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:02.970094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053908
observed 343cd595ad8535a691418037df05c9da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:02.826402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053908/manifest.json
observed f17903c38506bc182b246fb72c9232f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:02.802062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053908/publication.md
observed 978a7b7a0a9229d67334ffe8b75010b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:02.742469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053908/publication.txt
observed e67977d396c9daccb5648e5924b6c7fb...
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.