OpenTechnical

OT-2026-000063816

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000063816) never changes.

Identity and time

Publication numberOT-2026-000063816 · never reused
Internal UUID01a0ae8d-53b7-7309-8cfc-e7752559cc1b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063816
StatusPUBLIC

Content hashes

Canonical text5f1c22f6c29cfaa2df05665f1cb5f69f1b2b24acfe7bb8655a8b47ddba4c769e
Markdown827be6e17d015bb191be9398fb97deda6bd01cc0b826111a5d8af42edb6bc038
PDF
Publication page45841f887ea11eee29e8a780343d93d43cba0cc0eaf053b0785e432a7897a1ff
Manifest08040f4f94774643dba11c835adf76f49a664e51d168e5db24063a3eca37aa7c

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
Signature4R9/hNb3mspNBToHSO1kU7+CPYHRui8Kiw/htcNq5trYTlFjXTpQ58fkSGfIJg9Ej5WY7EcdZZSGaaZmPjB8Ag==
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

2026-09-17T10:36:50.181296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063816
observed 45841f887ea11eee29e8a780343d93d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:50.161912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063816/manifest.json
observed 08040f4f94774643dba11c835adf76f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:50.143532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063816/publication.md
observed 827be6e17d015bb191be9398fb97deda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:50.124940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063816/publication.txt
observed 5f1c22f6c29cfaa2df05665f1cb5f69f...
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.