OpenTechnical

OT-2026-000064476

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000064476) never changes.

Identity and time

Publication numberOT-2026-000064476 · never reused
Internal UUID01a0ae8d-a461-7b9b-ba82-01e74d7d9147 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064476
StatusPUBLIC

Content hashes

Canonical text05272bf515669b560898ed39130f1209acb0297210bc373d6c6d6e0e686424ad
Markdowna2f7033de35fc2cf634c9235dc06be94f2ef76390255aad78929a80dd44309a3
PDF
Publication page7d5d2ae20fc205b6f4361c7b8c4600faf1429bbe83b745c728da58ccdba56889
Manifest16768c7303d6ccdc261712281baa726d7728f1291747f14e87cba28da6f0c02c

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
SignatureYYT8UFEYACVudyK7J2X7z7h/+qmurv8IzSW3XZkJH1wst5XOsvvETTvqfXYDGDtBiZlEbeSdWQdvDJGB8OMxBQ==
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

2026-09-17T10:36:40.181906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064476
observed 7d5d2ae20fc205b6f4361c7b8c4600fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:40.163939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064476/manifest.json
observed 16768c7303d6ccdc261712281baa726d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:40.146215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064476/publication.md
observed a2f7033de35fc2cf634c9235dc06be94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:40.129434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064476/publication.txt
observed 05272bf515669b560898ed39130f1209...
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.