OpenTechnical

OT-2026-000068073

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000068073) never changes.

Identity and time

Publication numberOT-2026-000068073 · never reused
Internal UUID01a0ae8f-c4fe-751d-852e-d9a4fa881689 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068073
StatusPUBLIC

Content hashes

Canonical text196d477f1acb01540416ea452cb7563d776eaaa6fba71dfefb3e05da4912c4bf
Markdowncc4f181ea1513b0f61dfa1801dc931e28fbc4f2bab8228c00cabc5aab7e4b940
PDF
Publication page97360a836f32b3ac44a6aa92bb8222d7522f2d17c475bd507c1da487a65ead3b
Manifest1aa8ce8baf8d97953a581128220aca98c6adf305b792a749d270336469e27702

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
Signaturer5vKOZUnfallGC4AFCClqJxkUOJ5rqyNXrppuzSSlyEb79I7tw81ubv3cEdTZ6q2J2psKF3c9kRPgeJAHyMtDg==
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

2026-09-17T10:30:39.746017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068073
observed 97360a836f32b3ac44a6aa92bb8222d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:39.723279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068073/manifest.json
observed 1aa8ce8baf8d97953a581128220aca98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:39.704420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068073/publication.md
observed cc4f181ea1513b0f61dfa1801dc931e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:39.686760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068073/publication.txt
observed 196d477f1acb01540416ea452cb7563d...
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.