OpenTechnical

OT-2026-000084707

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, sustained 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-2026-000084707) never changes.

Identity and time

Publication numberOT-2026-000084707 · never reused
Internal UUID01a0ae98-e25d-7d3c-aa15-7cadcbcfb523 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084707
StatusPUBLIC

Content hashes

Canonical text52b07bf02b639017ff98d73f6dfdef427f4a8d920c333b2d3ed282e90475c5af
Markdown852140e8f828b23937ec092b813e04a44a52ca569133c49f17536f46edb18c39
PDF
Publication page23ef1316eecbdfd5fb103539ecaef9a2e39ac33ca4f0c2b751573f125764436a
Manifest01c93b004305e944bf06a682fb57ff1fdd5df1fcda74356d38c5653d8256d1e3

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
SignaturetGB8SXe6A5NymuR1cgzzG2QMbw+dK373G6yTych7RsRUMJXnsU9uqG8osNTLs5sqRxTsDJg3fmszaiLjhlyrBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:38.555696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084707
observed 23ef1316eecbdfd5fb103539ecaef9a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:38.531096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084707/manifest.json
observed 01c93b004305e944bf06a682fb57ff1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:38.511630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084707/publication.md
observed 852140e8f828b23937ec092b813e04a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:38.492663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084707/publication.txt
observed 52b07bf02b639017ff98d73f6dfdef42...
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.