OpenTechnical

OT-2026-000089256

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000089256) never changes.

Identity and time

Publication numberOT-2026-000089256 · never reused
Internal UUID01a0ae9b-db00-7627-9702-ce6b7156908e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089256
StatusPUBLIC

Content hashes

Canonical textbf164f9190a47b2c085921e8223f23ab2fa67fae49ed2443bd58393e551cc77f
Markdown876d46d12ce1f200058fd80a3732c97468d9f2f858f8e35dee3506f9d6c21f1a
PDF
Publication paged266ea68e6c61982ff74d718775d84125f0d0e6bcb142c2679f6721deafbf2dd
Manifestbe5dd1d0af90957bbd744f70d7042bcb8a87c86bdb37753938ccd8f7f0f0712d

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
SignatureNmloqhvv5qRrahgajCVCRYzKxyptal7dfc9iYYVVpOynU51HKiauRWufdXA6ZKiBba5a03F3WR9Lk3v6avRHAg==
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

2026-09-17T09:47:17.599397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089256
observed d266ea68e6c61982ff74d718775d8412...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:17.582091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089256/manifest.json
observed be5dd1d0af90957bbd744f70d7042bcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:17.564784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089256/publication.md
observed 876d46d12ce1f200058fd80a3732c974...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:17.548260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089256/publication.txt
observed bf164f9190a47b2c085921e8223f23ab...
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.