OpenTechnical

OT-2026-000050927

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000050927) never changes.

Identity and time

Publication numberOT-2026-000050927 · never reused
Internal UUID01a0ae82-c7b3-78fe-9bf5-54ceaa3159de · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050927
StatusPUBLIC

Content hashes

Canonical texte78325332f232cc3f9374eef2647792a18530294e6bc96b37ff73747d7733d3b
Markdown66bdc541f175978cedec8b36535015f8fef74cff92daa054b89b336734f78926
PDF
Publication page3123d37d6f345eb7d719ebf0416557488a12828cdf0b9e4f919b7076cab21e66
Manifest219718c27e033c9c4a7e804953597fc187818d57a4acb334537050741c36a289

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
Signature8+d/ddHU7rLMxRe9Y3k0j2FOro03AKqDuBrLp4INu+cJ53ufTvRyZxMT0ej+9y3tLOWOcLheOggFBZeJA95fDA==
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

2026-09-17T11:00:41.309590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050927
observed 3123d37d6f345eb7d719ebf041655748...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:41.308922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050927
observed 3123d37d6f345eb7d719ebf041655748...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:41.287671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050927/manifest.json
observed 219718c27e033c9c4a7e804953597fc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:41.285976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050927/manifest.json
observed 219718c27e033c9c4a7e804953597fc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:41.269640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050927/publication.md
observed 66bdc541f175978cedec8b36535015f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:41.265818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050927/publication.md
observed 66bdc541f175978cedec8b36535015f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:41.250954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050927/publication.txt
observed e78325332f232cc3f9374eef2647792a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:41.242344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050927/publication.txt
observed e78325332f232cc3f9374eef2647792a...
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.