OpenTechnical

OT-2026-000068827

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000068827) never changes.

Identity and time

Publication numberOT-2026-000068827 · never reused
Internal UUID01a0ae90-6dcb-7dc2-9cb9-cb2e0b139ada · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068827
StatusPUBLIC

Content hashes

Canonical textb677a986db48f96df660d6a6a39266a17360cacc7c8b2e04a406896de07b0fee
Markdownbe68cff10960e8774d30e2065914c34959c51aa672759a214342e9e67eb21b37
PDF
Publication page04da6cc76f13ca726a97a64a3b4a1a3b42f4e47d9e27b94a8acb3ae450be34f0
Manifestc0818a9e18783e65ca8eb24e86f45cf0960744d7afa997504f7b9749615f1ebc

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
SignatureN/L4xf/SwaENlLAuQQnzFGyPAwPvQbigbNEa82oj/dUoOe47ZIdSvGdYZICgQnUmBp5ApwDGq3S2wO3iqDIKBQ==
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

2026-09-17T10:28:37.781283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068827
observed 04da6cc76f13ca726a97a64a3b4a1a3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:37.765710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068827/manifest.json
observed c0818a9e18783e65ca8eb24e86f45cf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:37.748006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068827/publication.md
observed be68cff10960e8774d30e2065914c349...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:37.730786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068827/publication.txt
observed b677a986db48f96df660d6a6a39266a1...
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.