OpenTechnical

OT-2026-000023819

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three stage ejector, pulsed 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-2026-000023819) never changes.

Identity and time

Publication numberOT-2026-000023819 · never reused
Internal UUID01a0ae70-aed5-7b0f-8c6d-d00bb3e4bd1b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023819
StatusPUBLIC

Content hashes

Canonical textb16b2ba7d978d5f187936be6a0400c686169f74a5d0ad37ad07b24c95648512b
Markdown818fad4a8c6e72a7062ef86254b7006ba10728534c5de1e9060c98d2b529ad06
PDF
Publication page7f3ec0f3a64241f31521ff979d7666c7f85aaa3d781befba9a4b457695db01ca
Manifestab4ee56d299235d04943a997d33430c3dcbd4498a0c57cb4a66c1e8365f3d41a

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
SignaturetyO/ufG5654F8eJJbaCCjTOHMNk++PVFjIYo4dHzWvzKf7EgGHptoduFV5UNU2qfHQ5jBzpT8Zbfmk9CoBskBw==
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

2026-09-17T11:50:18.208497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023819
observed 7f3ec0f3a64241f31521ff979d7666c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:18.189826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023819/manifest.json
observed ab4ee56d299235d04943a997d33430c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:18.169647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023819/publication.md
observed 818fad4a8c6e72a7062ef86254b7006b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:18.153125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023819/publication.txt
observed b16b2ba7d978d5f187936be6a0400c68...
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.