OpenTechnical

OT-2026-000044169

Publication integrity record

Three 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-2026-000044169) never changes.

Identity and time

Publication numberOT-2026-000044169 · never reused
Internal UUID01a0ae7b-d67b-7600-b05b-f235bb6056cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044169
StatusPUBLIC

Content hashes

Canonical textf034650a0ff641831d054c8ea8c5726cb47cfbe0cbd0d233ea55ccb6d6fe3043
Markdownba0c0a760e99e620e5ab748ab2a052e97918166064c1399ce0b775c589d054d2
PDF
Publication page46ac60a3a0f4d96075e26a9866f71ba37da4f89be9d0cde791bb924c16ae8415
Manifest20206a788aae978c01ca9fc97ceff1db7cb9ef79aedda1d9f366f3d91ae0a12a

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
SignaturelZeMyDZYNf1eN4bjzPXAqTWBYA8dE3orU3nhNvTi+9WcWn4vcZtyqTxkN5MiH8SwBTh7kY88XAgWJIuReUk9CQ==
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

2026-09-17T11:12:36.057747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044169
observed 46ac60a3a0f4d96075e26a9866f71ba3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:36.037612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044169/manifest.json
observed 20206a788aae978c01ca9fc97ceff1db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:36.016406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044169/publication.md
observed ba0c0a760e99e620e5ab748ab2a052e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:35.997268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044169/publication.txt
observed f034650a0ff641831d054c8ea8c5726c...
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.