OpenTechnical

OT-2026-000022282

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000022282) never changes.

Identity and time

Publication numberOT-2026-000022282 · never reused
Internal UUID01a0ae6f-f4fc-78dc-828b-cef521c4ae4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022282
StatusPUBLIC

Content hashes

Canonical text04272dee0caf4c72f871b6f1b67cebe42d2eaa6689652f908f77ed816444fed4
Markdowneee140306361dadf23c924c84104436bd250b37a9a365fd4f0fd6668aba413ea
PDF
Publication pageefa58f02d95b39d9a6d64d8586fa8ffa9dd736aa6890220ca9b5359fd4a21762
Manifestbe258c59d08347a47a4127eaa7c7b75a1505121f9388bdbfbe200af86345ac68

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
Signature6y6i+ASH03DhVuGBzGRvx5AJOuz5noCUzPQ0Zuu7Wmf4OUaXHTD7Mf+0DEi2L63yVWEQ88MX9F3Q/McKT4zXDQ==
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

2026-09-17T11:53:05.030104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022282
observed efa58f02d95b39d9a6d64d8586fa8ffa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:05.013293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022282/manifest.json
observed be258c59d08347a47a4127eaa7c7b75a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:04.997669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022282/publication.md
observed eee140306361dadf23c924c84104436b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:04.980925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022282/publication.txt
observed 04272dee0caf4c72f871b6f1b67cebe4...
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.