OpenTechnical

OT-2026-000027755

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, 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-2026-000027755) never changes.

Identity and time

Publication numberOT-2026-000027755 · never reused
Internal UUID01a0ae72-a4a4-70ef-9500-4a93dc3c65d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027755
StatusPUBLIC

Content hashes

Canonical text3bc65a0ed6ed954573086ca9cc458527f3abc9693b65da30d9d6e3ea43c767c6
Markdownf098ebcce9bb9e25633d085d661c0c43265845a488baffd7d461af4535af3843
PDF
Publication page76925dd00e12982993df0b5bebffc02cd6b37b6d3d63a9b335bd4bf64a76efd3
Manifest598bdbed1068bdb58d659326c48d788f2edde7e3fd74cebbcbd7bfbde958f225

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
Signature3S1vGCZSQeT2cIa9WN2RAF18Z5YlJ/x9OjOVAfTUbiJC38wSsahLJjmbvG8fB8bVXXgCt3NQTfpWCVbLOJVZAg==
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

2026-09-17T11:41:47.838672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027755
observed 76925dd00e12982993df0b5bebffc02c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:47.820254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027755/manifest.json
observed 598bdbed1068bdb58d659326c48d788f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:47.797872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027755/publication.md
observed f098ebcce9bb9e25633d085d661c0c43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:47.780144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027755/publication.txt
observed 3bc65a0ed6ed954573086ca9cc458527...
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.