OpenTechnical

OT-2026-000071079

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, two stage ejector, supply line pressure sensor, 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-2026-000071079) never changes.

Identity and time

Publication numberOT-2026-000071079 · never reused
Internal UUID01a0ae91-8c2f-71a3-ad0c-9eb284fa9ab2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071079
StatusPUBLIC

Content hashes

Canonical texte13cfae533ef8e67a8ca8b28c00af88d8f4ed7506f801a835b23e41a6eda23b2
Markdown266ff679961dd0bbfe6df774809c1e839c040022ed4782ca42554034a2aab38c
PDF
Publication page9d23e971b4dc5c4ec4924304fc442778bd2a7d709ac419eb49816be7dde5ea5f
Manifest3db96453463e84e059ee9d9c035702b34708beece12b8a464d5c3b1a96074d03

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
Signatureh2d3jFy0nsVa8hcEvi4fMqkiOoFBywAsmYDojQulvDXxnDp6It1Sad+Dei8HzFGD7ZRxfBHJhEVvpFJnsCZhBQ==
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

2026-09-17T10:25:56.447006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071079
observed 9d23e971b4dc5c4ec4924304fc442778...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:56.431969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071079/manifest.json
observed 3db96453463e84e059ee9d9c035702b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:56.415530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071079/publication.md
observed 266ff679961dd0bbfe6df774809c1e83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:56.399144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071079/publication.txt
observed e13cfae533ef8e67a8ca8b28c00af88d...
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.