OpenTechnical

OT-2026-000026450

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three 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-2026-000026450) never changes.

Identity and time

Publication numberOT-2026-000026450 · never reused
Internal UUID01a0ae71-f4a8-7cbb-add2-d285ede2b3f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026450
StatusPUBLIC

Content hashes

Canonical texte291032263ac2baa36b3113e6572c1a5bc81d127f5c9dcb7bfcc5ece41482354
Markdownfd56da8f10a10e8aeb8ad1a7339680919f25bb1508429bd048fb0c669e02845f
PDF
Publication pagea29e87403c956671b3a57eaad8663bed64920f6d10023e090d3b27c828a9b0a8
Manifest27b08a8050d75aa3c4ff0a936463cb112aec4077cd26fbd94c0cf4278f162422

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
SignatureqO/Lql/XI4vUtiwm9CrSeJ70nAp6IPQBD/hc+tXRBxTXIEh52d08BQdb8ach6UEt52rNlefCREd3YJS5JZlXDg==
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

2026-09-17T11:44:26.923828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026450
observed a29e87403c956671b3a57eaad8663bed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:26.908431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026450/manifest.json
observed 27b08a8050d75aa3c4ff0a936463cb11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:26.893853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026450/publication.md
observed fd56da8f10a10e8aeb8ad1a733968091...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:26.878689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026450/publication.txt
observed e291032263ac2baa36b3113e6572c1a5...
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.