OpenTechnical

OT-2026-000006174

Publication integrity record

Vacuum cup gripper, four outlet manifold, pump fed, sustained blow off 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-2026-000006174) never changes.

Identity and time

Publication numberOT-2026-000006174 · never reused
Internal UUID01a0a951-da71-7da2-ae95-9cd37b633751 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:25:08.981253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006174
StatusPUBLIC

Content hashes

Canonical textc150deecdaf78da4d587080ed943d0fff3c86d521552ddf54c5da88d60014bdc
Markdown9ad69c4731965446416f57ee3d34eaf570f7ec87cb56e3a9c8e71374d6455ae9
PDF
Publication pagec23bcd1b1a3040c4addffbe856a964265f9e56374d368ff0cb41eeb7f16f34a6
Manifest2f90cc0af203ac42545c4f656b1fad9d27cd351a6abd808e2b24aa47a25e6bda

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
Signatured9o3IuOOrqCfnusQcl/P0acufzcjf1cEIs8z40lDlDPti+DTtpUTqJb8o/2kxCZ923BXosKr1f6AuOVvxMTxDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:41:28.152223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006174
observed c23bcd1b1a3040c4addffbe856a96426...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:41:27.914122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006174/manifest.json
observed 2f90cc0af203ac42545c4f656b1fad9d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:41:27.424128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006174/publication.md
observed 9ad69c4731965446416f57ee3d34eaf5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:41:26.914617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006174/publication.txt
observed c150deecdaf78da4d587080ed943d0ff...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:30:19.201883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006174
observed c23bcd1b1a3040c4addffbe856a96426...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:19.188477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006174/manifest.json
observed 2f90cc0af203ac42545c4f656b1fad9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:19.170733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006174/publication.md
observed 9ad69c4731965446416f57ee3d34eaf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:19.155176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006174/publication.txt
observed c150deecdaf78da4d587080ed943d0ff...
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.