OpenTechnical

OT-2026-000099772

Publication integrity record

Three cup vacuum gripper, three zone face, two 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-2026-000099772) never changes.

Identity and time

Publication numberOT-2026-000099772 · never reused
Internal UUID01a0aea2-c977-706f-8700-da34bf89fdcf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099772
StatusPUBLIC

Content hashes

Canonical text977272f6a7a7954febfb8992abca136bdb0d5010b88086ca65c2390de1396351
Markdown169f39e95597997dea6cec0440faf262304ace7f68ccd94d2b8d174ae0046d74
PDF
Publication page4c0be5e72a10e3937d5aa51aad7d99fd5ba5efa6b7ec54ea0f78d6a3f5d74ae1
Manifest61f144f6c1249695f3a3365b53903ff9edf83ffad9a7d353c045b7dfd128adbc

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
SignatureoS2Tg99Dr7JBAJPtl5lvh5voJVjmhOn/sAxCPmLL326Ty7JD1eFeZemKUR5VaVxcBoQjXJfVnYLWW+PTW+uhBA==
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

2026-09-17T09:29:48.284124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099772
observed 4c0be5e72a10e3937d5aa51aad7d99fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:48.266304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099772/manifest.json
observed 61f144f6c1249695f3a3365b53903ff9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:48.247912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099772/publication.md
observed 169f39e95597997dea6cec0440faf262...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:48.231135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099772/publication.txt
observed 977272f6a7a7954febfb8992abca136b...
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.