OpenTechnical

OT-2026-000075076

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented before set-down

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-2026-000075076) never changes.

Identity and time

Publication numberOT-2026-000075076 · never reused
Internal UUID01a0ae93-ac2e-778d-841d-4d73f0aa4b47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075076
StatusPUBLIC

Content hashes

Canonical textbe370dd1d7e10192aeabebcdf1b000e53d369636f521b8449999d00c337976ea
Markdown076590837f4e6b799864b4ec786c1f799b8dc9060495dc46609739c61252cea0
PDF
Publication page4bf4676dc3d578ea5f660ec87edfee72fdeeccc2700e1dca59ec1954acf41169
Manifest2fe4bc71262c1d7544b4fbb6932d344d507953e98d16a57a84cb3fa8f6b2b1bf

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
Signature5qpNEB5obZUslLTTD6V4AU10f477vbFFxeG/NdgJCqj13LL2zS95HEe+/tpBgZEe8FDXsD1TkKC5/5NsyMoaCQ==
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

2026-09-17T12:42:12.812336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075076
observed 4bf4676dc3d578ea5f660ec87edfee72...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:12.672681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075076/manifest.json
observed 2fe4bc71262c1d7544b4fbb6932d344d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:12.464781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075076/publication.md
observed 076590837f4e6b799864b4ec786c1f79...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T12:42:12.093629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075076/publication.txt
observed be370dd1d7e10192aeabebcdf1b000e5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:18:53.800960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075076
observed 4bf4676dc3d578ea5f660ec87edfee72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:53.783571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075076/manifest.json
observed 2fe4bc71262c1d7544b4fbb6932d344d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:53.766970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075076/publication.md
observed 076590837f4e6b799864b4ec786c1f79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:53.750320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075076/publication.txt
observed be370dd1d7e10192aeabebcdf1b000e5...
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.