OpenTechnical

OT-2026-000036413

Publication integrity record

Single cup vacuum gripper, single stage ejector, supply line pressure sensor, pulsed 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-2026-000036413) never changes.

Identity and time

Publication numberOT-2026-000036413 · never reused
Internal UUID01a0ae77-01d1-748e-a5e0-9d67ea486aed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036413
StatusPUBLIC

Content hashes

Canonical text0d1572dec14f84576b9c0f3f9291abbf4308804a62f4bb00c5751de3b1433525
Markdown008faafe9270661107d1e6f4b7d9a0f8adbaa3fead7b33b089e5920791c4778f
PDF
Publication pagec9a72d95f19694e82d0289ba9b61b98ec40ea4cc5867231bba221b0313044d95
Manifestdd818ccb9e4bb20273f8388555408931084de8b16d4f6fea45d643ebe7298bb7

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
Signatureq65DmSeVriWMXyQEpL7JLpNULYnLI3BzgQjQ/FAjnE748whXAOm8RCmR8Y1TMD+OjGKcngl4ZJKdEQiLbqXLDQ==
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

2026-09-17T11:26:48.137860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036413
observed c9a72d95f19694e82d0289ba9b61b98e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:48.120345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036413/manifest.json
observed dd818ccb9e4bb20273f8388555408931...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:48.103952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036413/publication.md
observed 008faafe9270661107d1e6f4b7d9a0f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:48.083843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036413/publication.txt
observed 0d1572dec14f84576b9c0f3f9291abbf...
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.