OpenTechnical

OT-2026-000081152

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000081152) never changes.

Identity and time

Publication numberOT-2026-000081152 · never reused
Internal UUID01a0ae96-b977-787e-9358-5e702042fe13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081152
StatusPUBLIC

Content hashes

Canonical text6a2ff2228396a30c7b58a28d65b293e97c44366b195984b22749b5ea3b04b5bb
Markdownef7852c0271789806e18b435d13003cdf9ce5347eabe562b0cc8a6dee9a80835
PDF
Publication page61b752deb2f01504ffc54aca9349b9546004251677880428be6bc2582b678a05
Manifesteb928e57c83b81335bf097d4299ad12b21044a9d9eb014ab2be2c7006157b766

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
Signature534PjsUXQ/rOaErk9atzhSMZ6cGkR5/Yt5nqUQ4qWAZv0tetXzwEy6MlnZa96cxuQiJjrgZeAOiQlGyMvrvXCA==
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

2026-09-17T10:02:32.600066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081152
observed 61b752deb2f01504ffc54aca9349b954...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:32.583523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081152/manifest.json
observed eb928e57c83b81335bf097d4299ad12b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:32.565990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081152/publication.md
observed ef7852c0271789806e18b435d13003cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:32.548132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081152/publication.txt
observed 6a2ff2228396a30c7b58a28d65b293e9...
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.