OpenTechnical

OT-2026-000073248

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, vented 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-2026-000073248) never changes.

Identity and time

Publication numberOT-2026-000073248 · never reused
Internal UUID01a0ae92-efb6-7ebf-8953-22349463f446 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073248
StatusPUBLIC

Content hashes

Canonical text3ae8bb7201407c14dafa89a728861088111d2b3c8de5773ffe7ed3c9d52bebcc
Markdownc835c534c8ee66f6d896a48c19ed0bc9b8040acc981666f229093baa705ef1de
PDF
Publication pageca54d4c5787451766ba73ef71f9195fd7ae68700821974c5316caf26a0494f00
Manifestf8d681779035646715dc8590c611beadd1dbce0d04284dea71bb7b0caa695c93

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
SignatureaCPwTaOYCJsXi81NEiyaYGyRhWmaRPCIqY+lkMA4TyTnr/VL3J5Szd+/BHHRwElGx0JxDGl3yt2HwXmIik12BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:12.384297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073248
observed ca54d4c5787451766ba73ef71f9195fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:12.364182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073248/manifest.json
observed f8d681779035646715dc8590c611bead...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:12.344963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073248/publication.md
observed c835c534c8ee66f6d896a48c19ed0bc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:12.323858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073248/publication.txt
observed 3ae8bb7201407c14dafa89a728861088...
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.