OpenTechnical

OT-2026-000075270

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000075270) never changes.

Identity and time

Publication numberOT-2026-000075270 · never reused
Internal UUID01a0ae93-f200-7bdf-9e39-0abe72707c88 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075270
StatusPUBLIC

Content hashes

Canonical text3d6555ec8b98f6479b810e5baba73790e9b76846dcb3ed32bcc6f21e1855d120
Markdownac5df4c4842e692ca20b2be1b991afaf1c6fd86f11424a01f9822b2cf599f51f
PDF
Publication page544928c19d24f8a3e49a81108111cb31f3676cdf0f3924fd2a88b2bcf0967be3
Manifestb75e5a067077a033487ed0c171a4ce932ff5c342c13d989e2743b96941ec6f7b

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
SignatureqpeHp+Dvag0lGyLmm7WZ5Ik3EGt9vjS6qiJsV28B9DXDVfRJnp2km+1j0JBaDBKtg7Vj6CAyjqFw+NGfRYCeBw==
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

2026-09-17T10:20:37.101859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075270
observed 544928c19d24f8a3e49a81108111cb31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:36.856379ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000075270/manifest.json
observed ...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:36.838570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075270/publication.md
observed ac5df4c4842e692ca20b2be1b991afaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:36.820186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075270/publication.txt
observed 3d6555ec8b98f6479b810e5baba73790...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:57.244763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075270
observed 544928c19d24f8a3e49a81108111cb31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:57.226620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075270/manifest.json
observed b75e5a067077a033487ed0c171a4ce93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:56.797912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075270/publication.md
observed ac5df4c4842e692ca20b2be1b991afaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:56.777098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075270/publication.txt
observed 3d6555ec8b98f6479b810e5baba73790...
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.