OpenTechnical

OT-2026-000097837

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000097837) never changes.

Identity and time

Publication numberOT-2026-000097837 · never reused
Internal UUID01a0aea1-92f6-7f0e-978b-4a2d3b556f97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097837
StatusPUBLIC

Content hashes

Canonical textec31d90afb9831d0d5a48690c1f6265f7fd77eb7a0d3126ea07cee548fce08a2
Markdown7395c884e537b0ce0c0d7200a2d0911e75db00176e3b4b048348db0a628651e2
PDF
Publication pagede9775642c3f23111a59147646dd6c5279a13c9cbc7f01fbee0fdcf72b7417ff
Manifesta0a12d5694d22e5d972f47fd20416a00f7d9ca2915b5f75cf60eea88625e3dd8

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
Signature8LFio/hgnJB8iGG3HjuLv/unYrdVa1aR7CqrYppT5Xuscvt4Vj4qcRo36O+FzWVO6l9Rgk/gLX+EOooqljXHAg==
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

2026-09-17T09:32:56.271760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097837
observed de9775642c3f23111a59147646dd6c52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:56.251259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097837/manifest.json
observed a0a12d5694d22e5d972f47fd20416a00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:56.234670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097837/publication.md
observed 7395c884e537b0ce0c0d7200a2d0911e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:56.216535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097837/publication.txt
observed ec31d90afb9831d0d5a48690c1f6265f...
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.