OpenTechnical

OT-2026-000083805

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum 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-2026-000083805) never changes.

Identity and time

Publication numberOT-2026-000083805 · never reused
Internal UUID01a0ae98-0417-7de0-b4fb-22995e15b01f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083805
StatusPUBLIC

Content hashes

Canonical text8d8f1fdedb8d334fdb8ab5eb094b4500cb8d26e8a449492f5e45584f334d0fae
Markdown63d81aebec287e801391aa7eb45e976caf2035fa512cedf587889f1dcaf03c5d
PDF
Publication pagec95111833ed62f83ba60cf8ffc83e9fc9f94a7dc1acbb0c78ba5d1783fd116c2
Manifest481fc1794cba2dbb844071211e8d125ca7bc5ba9ab6bae7d00f2a93014ac4b62

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
SignaturedJaUACAg/TbJStxRRNvzThkdcZuTi0bDKRjcm0viVKuZV/3SV6bazcmuDSRyB3rOdZud3++vVNRMo0QXuISuCw==
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

2026-09-17T09:57:27.221607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083805
observed c95111833ed62f83ba60cf8ffc83e9fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:27.203263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083805/manifest.json
observed 481fc1794cba2dbb844071211e8d125c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:27.185577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083805/publication.md
observed 63d81aebec287e801391aa7eb45e976c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:27.169408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083805/publication.txt
observed 8d8f1fdedb8d334fdb8ab5eb094b4500...
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.