OpenTechnical

OT-2026-000089435

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000089435) never changes.

Identity and time

Publication numberOT-2026-000089435 · never reused
Internal UUID01a0ae9b-db02-78d7-9987-a84eeb9a6bf8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089435
StatusPUBLIC

Content hashes

Canonical textc04c0c35dd61a30c2f2fa46176881b590ac3657121132700889399471fd2a157
Markdown1487b0fa2f126d55e1565be379db5b9657dba6cf19c4fe5a7b900c132ecd0381
PDF
Publication page7d7073f864a39e934580f003804ede01ce6f6120494dc70e644088c5973ff5e5
Manifest7aae0f38d2e299f59541750c276e5425086311f83759c62db4ec7a8f529967ec

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
SignatureEB0qJOuf5v2tCNCV5M5fnlR+mfn2FjIi8QKIw7cCTqz1oseEksDhZD9kNvHRpFSs/1BOCacPUJmJTXASI2k8CA==
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

2026-09-17T09:47:34.848849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089435
observed 7d7073f864a39e934580f003804ede01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:34.829834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089435/manifest.json
observed 7aae0f38d2e299f59541750c276e5425...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:34.812717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089435/publication.md
observed 1487b0fa2f126d55e1565be379db5b96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:34.795671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089435/publication.txt
observed c04c0c35dd61a30c2f2fa46176881b59...
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.