OpenTechnical

OT-2026-000085712

Publication integrity record

Foam pad vacuum gripper, three zone face, three stage ejector, 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-2026-000085712) never changes.

Identity and time

Publication numberOT-2026-000085712 · never reused
Internal UUID01a0ae99-aaae-798c-9671-c6e151cf4c75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085712
StatusPUBLIC

Content hashes

Canonical text7d6ee188d5e8d9dc8b473a66faa6a176f02a156c4cbe11bf2c10cfb96a2875e8
Markdownf89e6b786030b6c63e49badee61fb278f541b6180ec354df5cef764b10c9af39
PDF
Publication page51e172c42f21500d786722cdf50dc496dcd0e00b279011b44af46fcd5ad823f9
Manifestbbe7d4b82c1e6ab273ba044b34760ffa6a0c18b80f7b4bde65b42422a08e8be8

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
SignatureLos45IApB6B/iAWtd/mcP02Tv+E69V/njc+rzIjqL8TdlIdjsmcThGJhU0Af/UxA4bZcxoMwCEIsBl9AIzDpCw==
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

2026-09-17T09:54:37.180172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085712
observed 51e172c42f21500d786722cdf50dc496...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:37.161382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085712/manifest.json
observed bbe7d4b82c1e6ab273ba044b34760ffa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:37.143620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085712/publication.md
observed f89e6b786030b6c63e49badee61fb278...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:37.125331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085712/publication.txt
observed 7d6ee188d5e8d9dc8b473a66faa6a176...
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.