OpenTechnical

OT-2026-000030219

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, three stage ejector, 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-2026-000030219) never changes.

Identity and time

Publication numberOT-2026-000030219 · never reused
Internal UUID01a0ae73-e500-7861-af45-be09adc22bc1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030219
StatusPUBLIC

Content hashes

Canonical text65e2423662d56a607ae8bd7cebaec1ebae9de9fd34de31a8639d7fbdb2043a2b
Markdownd9d4734937f08e8a363194954ca857f63990a5723bf24d760594d22d6a51a079
PDF
Publication pagea77a2532e3edc4c2964041e28f971fa6d707c693766103fc89b8f16c69f4cf23
Manifest2333de5cf880c867f365601aae771aeef3231f891182292ae8fd7dd057099ac5

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
Signatureu5+pIsg7nEgwp6fkWIIz0hUltf1kw6MJgKaMdrK4QpeFxNpwNeKtnscXvU4ZHyOrmk6ViL7KBdweqafVuPlcAw==
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

2026-09-17T11:40:35.686246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030219
observed a77a2532e3edc4c2964041e28f971fa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:35.666793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030219/manifest.json
observed 2333de5cf880c867f365601aae771aee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:35.647680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030219/publication.md
observed d9d4734937f08e8a363194954ca857f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:35.629175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030219/publication.txt
observed 65e2423662d56a607ae8bd7cebaec1eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:52.178612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030219
observed a77a2532e3edc4c2964041e28f971fa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:52.160625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030219/manifest.json
observed 2333de5cf880c867f365601aae771aee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:52.144835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030219/publication.md
observed d9d4734937f08e8a363194954ca857f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:52.127559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030219/publication.txt
observed 65e2423662d56a607ae8bd7cebaec1eb...
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.