OpenTechnical

OT-2026-000074376

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, supply line 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-2026-000074376) never changes.

Identity and time

Publication numberOT-2026-000074376 · never reused
Internal UUID01a0ae93-7179-71d0-b659-c32e1a998ed4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074376
StatusPUBLIC

Content hashes

Canonical textaea1fad4cb20ec516f259cdec984d7fc6d0337675eab77bb13ab9032cb48d5ae
Markdownb15e1f5f5645f87abefd9a4250d7ec9f87f1c587f1cb750601691ae5f45f6458
PDF
Publication page1cc394ac87b8cfd0362680c05530c363fc3adff5ceeef5460fcd9604ecaf4296
Manifestb26bd2dfdf5603514a1a6a30c83cbce89230b48bdae67e6cc12f8b3659c61392

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
Signature9HKhp+5gm+x21sEE/hzNoqQD3n9Q+zL+iq4JTGN99X86t/PkFbyvpzYDpWDFRMjlDo3iqbJRPK7R+q1QL39MCA==
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

2026-09-17T10:19:18.566938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074376
observed 1cc394ac87b8cfd0362680c05530c363...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:18.549618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074376/manifest.json
observed b26bd2dfdf5603514a1a6a30c83cbce8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:18.530716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074376/publication.md
observed b15e1f5f5645f87abefd9a4250d7ec9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:18.512333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074376/publication.txt
observed aea1fad4cb20ec516f259cdec984d7fc...
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.