OpenTechnical

OT-2026-000013379

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, two stage ejector, pulsed blow-off before set-down

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-2026-000013379) never changes.

Identity and time

Publication numberOT-2026-000013379 · never reused
Internal UUID01a0ae6d-6fca-7163-accd-56c60ef2e4a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013379
StatusPUBLIC

Content hashes

Canonical textcac0c8a3072b4b40f670e853a79ef191f414443c334f9a98e4206f211013ed95
Markdownde331f2e4cd4743bb0c275ae81bcebf197a970026770d2ef04cb13cb042a71c2
PDF
Publication page4eac417608a4ace3c7e037704dc7182b2ac7c6df03ed8a6d9b48b8bda71c31d5
Manifest2ea95cf3b37c2df621977499d6e4a66f097fb49601b0473ff57892b6f2ec7b93

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
SignatureFDMN0ZXuz6hxovZLIahHr/d8Vou2TomCC+vriwgfnajv4nqj3gyFJtvyH6O7+khNc7mjl/r7ur02dTqONmuDBg==
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

2026-09-17T12:09:50.765756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013379
observed 4eac417608a4ace3c7e037704dc7182b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:50.744369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013379/manifest.json
observed 2ea95cf3b37c2df621977499d6e4a66f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:50.724674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013379/publication.md
observed de331f2e4cd4743bb0c275ae81bcebf1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:50.704637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013379/publication.txt
observed cac0c8a3072b4b40f670e853a79ef191...
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.