OpenTechnical

OT-2026-000034439

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump fed, 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-2026-000034439) never changes.

Identity and time

Publication numberOT-2026-000034439 · never reused
Internal UUID01a0ae76-12eb-75a0-84e7-1426cb4a0e4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:48.823624Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034439
StatusPUBLIC

Content hashes

Canonical text4ad8ed61fe069c57916dea1ec99f624ac65422d096a07cccd72bd161e886d346
Markdown7bb2c97d463b635deb2efd5fb3bf68cb6168d6050065d07923a4604850c80b1e
PDF
Publication page74be1cab2e7dcf1d57500548e3e268a5bf4365a071409031936e95c1c05ae957
Manifestaed1dd42b25d4ea9c6e9829a2ec83a01d041a660079e39213644b7de7f05c0c0

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
Signaturezy2e5TFOqQ2cP9e4vDGlfVHIdzocYYHgFR07JrlFUS9nd3YuGRYCccmX6qN9dNP69KD2Uw1QNLVCKP9png2+BQ==
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

2026-09-17T11:30:45.803006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034439
observed 74be1cab2e7dcf1d57500548e3e268a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.784250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034439/manifest.json
observed aed1dd42b25d4ea9c6e9829a2ec83a01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.766669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034439/publication.md
observed 7bb2c97d463b635deb2efd5fb3bf68cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:45.745153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034439/publication.txt
observed 4ad8ed61fe069c57916dea1ec99f624a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:00.566803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034439
observed 74be1cab2e7dcf1d57500548e3e268a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:00.549100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034439/manifest.json
observed aed1dd42b25d4ea9c6e9829a2ec83a01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:00.532161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034439/publication.md
observed 7bb2c97d463b635deb2efd5fb3bf68cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:00.511297ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034439/publication.txt
observed 4ad8ed61fe069c57916dea1ec99f624a...
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.