OpenTechnical

OT-2026-000104071

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000104071) never changes.

Identity and time

Publication numberOT-2026-000104071 · never reused
Internal UUID01a0aea5-341e-780e-81cf-92941a7ea7a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104071
StatusPUBLIC

Content hashes

Canonical textba6375c9695881d7ba3a69f3047b414629ef2aa7e2c22d366b2a2b9be4273306
Markdown4493bf1e6c4edcbe7627ef6604313991008c479235a1c6f83631ef83bd8556c0
PDF
Publication paged739c30a4bd6cd9098f638902dae02eace4dd2c62d1474836e749344fb5edec5
Manifestdcf44fd7a90148736246e2de9a282cd625dc74e374dd2812cdf86580fc4192b0

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
Signaturen7vCQxTyL0oZDv3Dj5Wqi0IOfiBOia8VrMG0g8+qSPZqxo+WbB/pr1wW7rSgY1tU/cPAF3KfExCMBzoKbFtMDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:08.382167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104071
observed d739c30a4bd6cd9098f638902dae02ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:08.362777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104071/manifest.json
observed dcf44fd7a90148736246e2de9a282cd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:08.344490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104071/publication.md
observed 4493bf1e6c4edcbe7627ef6604313991...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:08.325774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104071/publication.txt
observed ba6375c9695881d7ba3a69f3047b4146...
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.