OpenTechnical

OT-2026-000071986

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000071986) never changes.

Identity and time

Publication numberOT-2026-000071986 · never reused
Internal UUID01a0ae92-47c0-7fe7-bc2a-7179005eb379 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071986
StatusPUBLIC

Content hashes

Canonical text7a04f4622dc671524084c33c3b8ee6c77c6ce58c74fa8698852d0fd24afd9d66
Markdown216e588f070bc9fbba796ae5ddb686941d45392ad3f7d0a24bb8967d6f998060
PDF
Publication pagefd03b66d4a02e2fd9bd59c96213e7287399560158be317d594750a7b7f53bee4
Manifest68b7684c6c5387997610880ee9b37a0cda45ae722b867cf401beb5048ba19027

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
SignatureLyKvpKPCZ1hbRcxTvZhZMUQCx1dd5ham5p/OIx7PiNMFWejvBTtCgV783tGmOUNIL1D24a18t0aCZdsl9YMlAA==
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

2026-09-17T10:23:01.142524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071986
observed fd03b66d4a02e2fd9bd59c96213e7287...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:01.125307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071986/manifest.json
observed 68b7684c6c5387997610880ee9b37a0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:01.067225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071986/publication.md
observed 216e588f070bc9fbba796ae5ddb68694...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:01.021216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071986/publication.txt
observed 7a04f4622dc671524084c33c3b8ee6c7...
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.