OpenTechnical

OT-2026-000068220

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single 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-2026-000068220) never changes.

Identity and time

Publication numberOT-2026-000068220 · never reused
Internal UUID01a0ae90-247f-7b96-97a6-83a9d7c78c14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068220
StatusPUBLIC

Content hashes

Canonical textf1c6b031ef22dabd47d7cb05020f791a425e9bf65803e9b5b5efa336c1870031
Markdownc59c64045e892e6783107f58152751af6b5647155a16f86ab675c7347eede4b5
PDF
Publication page9af0482ad7ed73d91b780016d5a6857ffb598b3558402ee97fe8820e301f8b53
Manifest99c0a7583df7e475a455421d10c8a25c02ee5b676ac41560825a82a1e72cc1b9

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
SignaturepfUhNtuS9lv9xxZCTnx9cZSMtnDAC5TzogwZyUXDJQYBfueTusBs/gDHq3MZl9HqYxBWWsLAhVKR0mYh/mCKCw==
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

2026-09-17T10:29:14.219779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068220
observed 9af0482ad7ed73d91b780016d5a6857f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:14.204599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068220/manifest.json
observed 99c0a7583df7e475a455421d10c8a25c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:14.186955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068220/publication.md
observed c59c64045e892e6783107f58152751af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:14.169340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068220/publication.txt
observed f1c6b031ef22dabd47d7cb05020f791a...
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.