OpenTechnical

OT-2026-000004197

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, ejector fed, vented before set down, plastic cups

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-2026-000004197) never changes.

Identity and time

Publication numberOT-2026-000004197 · never reused
Internal UUID01a0a911-42a4-7132-929a-d89393afef04 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:14:35.815897Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004197
StatusPUBLIC

Content hashes

Canonical text2d1cb38edf1932b79f9c334dc8d0392cfc83f2d31b377121b1ca36cbef81c786
Markdown561713a7ee17387c8027b98ed0670452d3fb9d1658197934bf936274e636460d
PDF
Publication page95f1f9b867a6ffee4fb1a8c49b3de9f7e93c212d82ab15d73b158427f8fe32d2
Manifestab0765f1e2aeea096629d4276712a95a0984e3979aa32c061d28eca235a52611

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
Signaturey51+wFLLLtI51ALySmDwVfwaGMXdKIsfyo6M6O0tKgtQHKiHXXZi8i5NsteaxQNcvtnBRC25948nHJ6QTv7JDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:20:25.175496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004197
observed 95f1f9b867a6ffee4fb1a8c49b3de9f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:25.159488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004197/manifest.json
observed ab0765f1e2aeea096629d4276712a95a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:25.144422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004197/publication.md
observed 561713a7ee17387c8027b98ed0670452...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:25.129103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004197/publication.txt
observed 2d1cb38edf1932b79f9c334dc8d0392c...
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.