OpenTechnical

OT-2026-000043109

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, sustained blow-off after 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-2026-000043109) never changes.

Identity and time

Publication numberOT-2026-000043109 · never reused
Internal UUID01a0ae7b-327a-73f8-8303-fda19d990faf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043109
StatusPUBLIC

Content hashes

Canonical text78fbfdce741843dd340a2bc7fa3bf57a107e7505f79818a175196adcee696526
Markdown02763924b78be54c728b068878dc68089027d82ebd8d1f509648086caa794eb0
PDF
Publication page94c29bda625e4f47ce05ec212c587533286a902f9db5cfd7c4ab3cd1ce90ec4e
Manifestc114fd191d13688be0b0b99b785b07a7525f3b9644ac1714512efef98937880d

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
Signature1Y5Mq4C67EdAqORsbiRoqPvJT3m4hYe+2T3EPJbJRCJY28wRU1KxpFzOT7ueYL6Zm8izTU23oeqK3P6cFPvnDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:13:32.082451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043109
observed 94c29bda625e4f47ce05ec212c587533...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:32.060367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043109/manifest.json
observed c114fd191d13688be0b0b99b785b07a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:32.037394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043109/publication.md
observed 02763924b78be54c728b068878dc6808...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:32.016076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043109/publication.txt
observed 78fbfdce741843dd340a2bc7fa3bf57a...
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.