OpenTechnical

OT-2026-000097275

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000097275) never changes.

Identity and time

Publication numberOT-2026-000097275 · never reused
Internal UUID01a0aea1-01ca-7978-93eb-f341e9619ae5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097275
StatusPUBLIC

Content hashes

Canonical textddb830ec659aa73d451eda6ae8989943377eb696f59301bb4ae71489ab8a7d39
Markdownb62d5019f0f50bc2a2ad4364a0cf8650ab30e2e2e223cc82a0701e57e0dc7f3c
PDF
Publication page15d6a5374dc7c5183c0935d29aa6ba28ed29a4ef243b6d9d8cfe2af36f02e79b
Manifested94c50ad921bcedda7b7305f2c38a20fedadac32dd7d83abf360d8812900948

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
Signaturem4vTLNHLZ9O8242j4avZFb0Bt6hSIMZvSd11TivjbNslI3ZlC1gYerVlKPXiaQXc5hkR67hDag162bR50VMfDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:32.170442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097275
observed 15d6a5374dc7c5183c0935d29aa6ba28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:32.153424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097275/manifest.json
observed ed94c50ad921bcedda7b7305f2c38a20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:32.133976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097275/publication.md
observed b62d5019f0f50bc2a2ad4364a0cf8650...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:32.115975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097275/publication.txt
observed ddb830ec659aa73d451eda6ae8989943...
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.