OpenTechnical

OT-2026-000099986

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, pressure sensor per zone, 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-2026-000099986) never changes.

Identity and time

Publication numberOT-2026-000099986 · never reused
Internal UUID01a0aea3-1474-7b32-a94f-cc07f06adc38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099986
StatusPUBLIC

Content hashes

Canonical text20e340f648238fd9f72f5bbada69d6760ebd3697ecf5a225272d2903b0e906e1
Markdown4870c45440166354a6cde750430e857050003689d917a5e56699cbcf8b0d6638
PDF
Publication page912ba0bfb8503a6c957ec62f6b7dc5a7b02931e04191c55fd682e18566839153
Manifest563bc40becc76c462f6a15fa766a408d7cd1011cbbe35023e4bc1de7c3093665

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
SignaturedAGc5M/6jmj+PKoZxDNCXB0YrCBnj1+HtcabnMAUR97R4E3LMDSzXtb6ZCMIX2P6wVF9en1Fp56rUajxk5vOBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:41.457549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099986
observed 912ba0bfb8503a6c957ec62f6b7dc5a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:41.437661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099986/manifest.json
observed 563bc40becc76c462f6a15fa766a408d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:41.420387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099986/publication.md
observed 4870c45440166354a6cde750430e8570...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:41.402572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099986/publication.txt
observed 20e340f648238fd9f72f5bbada69d676...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:54.790239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099986
observed 912ba0bfb8503a6c957ec62f6b7dc5a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:54.771488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099986/manifest.json
observed 563bc40becc76c462f6a15fa766a408d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:54.754339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099986/publication.md
observed 4870c45440166354a6cde750430e8570...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:54.738259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099986/publication.txt
observed 20e340f648238fd9f72f5bbada69d676...
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.