OpenTechnical

OT-2026-000072532

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, vented before set-down

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-2026-000072532) never changes.

Identity and time

Publication numberOT-2026-000072532 · never reused
Internal UUID01a0ae92-89d8-7b1d-b52c-5fb3ac81ff3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072532
StatusPUBLIC

Content hashes

Canonical text58c1e348655f0174930150ec4307b49dd7f978e7d91a7c4a56e7b32497cf5086
Markdown90a640e7c1bce4322891cdc60db66a2b7e2e6ae38f5440456a9f317e3a03572a
PDF
Publication page98bf7da6a96907a7bb607b9be13fa2b3c5debb7250339c308992382c58ac4b67
Manifest769c14f8a2ad391d9318a747b221d888c3b6969ffbfc15a1e2e6418bbda9064a

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
SignatureYeCGkDnELGyu6m7fpDJYoLJF6NQlFOILoRHiKz+NW8Xy1q2WSC89HGb6NEaYsiXYjnzvm+kdjlRwofEfj/y/Bg==
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

2026-09-17T10:22:11.298110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072532
observed 98bf7da6a96907a7bb607b9be13fa2b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:11.279678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072532/manifest.json
observed 769c14f8a2ad391d9318a747b221d888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:11.232287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072532/publication.md
observed 90a640e7c1bce4322891cdc60db66a2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:11.185900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072532/publication.txt
observed 58c1e348655f0174930150ec4307b49d...
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.