OpenTechnical

OT-2026-000022565

Publication integrity record

Single cup vacuum gripper, pump fed, 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-2026-000022565) never changes.

Identity and time

Publication numberOT-2026-000022565 · never reused
Internal UUID01a0ae6f-f4ff-7c03-9d20-76ab38e26c7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022565
StatusPUBLIC

Content hashes

Canonical texta561dd615457051171c598cbd70f23f0489ddde95dd6cbdc30852d6c7a9bd364
Markdowndc9ee89582b14a65a6062f1d7a27f5cbec5f41a90800bd79545d5903fe8adddf
PDF
Publication page0d6c3a3dcf118a9189263a7d2261c4bb231036443ebed980ec4145bf06e7161d
Manifestf13e6bd1206926c1ac6229cc83f16cabc7d054d1d28221ced1a3a5dadafd2d89

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
Signature6P4y6ep/hkcfbeHpnuwpX6YKBcYWF0Ksp8Vum8AuwCJoyF35LG6zfvkNK+YTgMBqpSKmTvzpgLpdpIW4Vg1UCA==
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

2026-09-17T11:54:00.250871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022565
observed 0d6c3a3dcf118a9189263a7d2261c4bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:00.233809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022565/manifest.json
observed f13e6bd1206926c1ac6229cc83f16cab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:00.214622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022565/publication.md
observed dc9ee89582b14a65a6062f1d7a27f5cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:00.194143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022565/publication.txt
observed a561dd615457051171c598cbd70f23f0...
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.