OpenTechnical

OT-2026-000034732

Publication integrity record

Single bellows cup vacuum gripper, 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-2026-000034732) never changes.

Identity and time

Publication numberOT-2026-000034732 · never reused
Internal UUID01a0ae76-1ed2-71f9-a706-d44e0cf61d7d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034732
StatusPUBLIC

Content hashes

Canonical text79e33208afaba799f582545b96c5a7963ce5284810bda13176ffe53acb9e7d2f
Markdown5bdcbb91835a91ed11fb57f29d0d6e0987752b6e4e64fd71fe6950533819ef86
PDF
Publication page67eb89ba60c5bd94b003c81cd260950f1ac67f0860256b8107b6a92817a6d63c
Manifestb230e1901200b36a192b0ab06e5ffd43f07ae6bc8390c12b7156c0ec64c37bb1

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
Signature2npyPc7vxcmyx6mjOXpBBY6HqHYP1wDv82butgifRTui05ibAHnCuVzlA/4mPhecJDndHkIH+7oFE2eO0QxbAQ==
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

2026-09-17T11:30:12.604332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034732
observed 67eb89ba60c5bd94b003c81cd260950f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:12.581473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034732/manifest.json
observed b230e1901200b36a192b0ab06e5ffd43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:12.561851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034732/publication.md
observed 5bdcbb91835a91ed11fb57f29d0d6e09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:12.541802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034732/publication.txt
observed 79e33208afaba799f582545b96c5a796...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:41.027693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034732
observed 67eb89ba60c5bd94b003c81cd260950f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:41.008090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034732/manifest.json
observed b230e1901200b36a192b0ab06e5ffd43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:40.990821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034732/publication.md
observed 5bdcbb91835a91ed11fb57f29d0d6e09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:40.965405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034732/publication.txt
observed 79e33208afaba799f582545b96c5a796...
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.