OpenTechnical

OT-2026-000027638

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, 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-2026-000027638) never changes.

Identity and time

Publication numberOT-2026-000027638 · never reused
Internal UUID01a0ae72-6999-75e2-b786-2e2e77e3cf06 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027638
StatusPUBLIC

Content hashes

Canonical textf5be6d26b1b8ff9c3b91e9ec20fdfd5b808d20f5c8fedbdbc3a7f739a0d3ee08
Markdown4cea27e9c3cb481e4e8ad1dba930e27adc1091827627ae6c69183b40af23c108
PDF
Publication pagee2ff03e25a2863bf43ed8b24ad71919f2d15b23feefa130e725ce5a9b53da3c9
Manifest7319fa46c0b5c54bfce01e89cc3e87bffbc3e8891d9c2b8fa8bc9c330bf8a7b7

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
Signature2UuoSfjVtXnKvVL74CiIHanOSXU5dZLnw7c/+ISnnCBxa+0lcEef+mN0dJpVI3IomC1YmNZnQgb0IfvWUGCoAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:09.789949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027638
observed e2ff03e25a2863bf43ed8b24ad71919f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:09.774429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027638/manifest.json
observed 7319fa46c0b5c54bfce01e89cc3e87bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:09.756474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027638/publication.md
observed 4cea27e9c3cb481e4e8ad1dba930e27a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:09.737564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027638/publication.txt
observed f5be6d26b1b8ff9c3b91e9ec20fdfd5b...
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.