OpenTechnical

OT-2026-000032204

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line 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-2026-000032204) never changes.

Identity and time

Publication numberOT-2026-000032204 · never reused
Internal UUID01a0ae74-f7a7-7e1b-bbb2-b9620479c2f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032204
StatusPUBLIC

Content hashes

Canonical text86423f6da9b01cc020d551c2bc51653de92ce90d731526dff0c39c207e929812
Markdown1ca6422844055b25583daefee6fd091a88eb1b4ab1e95a54b19b005abd75e133
PDF
Publication page2d6e35c49316e938f117ea21fbbe9372246fa323f0e8110467064ecdec6f1294
Manifestfd3312fa2f95a051ebfa18f6555d188c81b4af6c600af5dc1224871030281f14

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
Signatureia4KWLogakI80HSzgpxF3/kldPGhtsrtGO7QxeJYUnedRWRo4Tz/+/7il/1nMNuwPWNJ1zTnwEMHcqF89gNLCQ==
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

2026-09-17T11:34:33.012080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032204
observed 2d6e35c49316e938f117ea21fbbe9372...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:32.996003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032204/manifest.json
observed fd3312fa2f95a051ebfa18f6555d188c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:32.978189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032204/publication.md
observed 1ca6422844055b25583daefee6fd091a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:32.961415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032204/publication.txt
observed 86423f6da9b01cc020d551c2bc51653d...
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.