OpenTechnical

OT-2026-000007999

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, manifold 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-2026-000007999) never changes.

Identity and time

Publication numberOT-2026-000007999 · never reused
Internal UUID01a0ae6a-908b-7bb5-bf82-0d5b5e889736 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007999
StatusPUBLIC

Content hashes

Canonical text93637d0d65d55858f94086233c25181cf9d4acc50f1cce86deefb40738123552
Markdown1d36221b37c983da120cadc503243fbdadc417e4987a2763852524e6717ca5c2
PDF
Publication page41be827b062acbf87782bd8d9e721975924da94807fbec26ece9fac2d6fc9389
Manifest444790eb096d3d534eda375e3b9415329ff4f8eed08ee1c19c1ecdf7c8e8f54a

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
Signature8L4xSYVy03YO6ZU+df8DiZyL8XFLD8O6b/VsGQRmz2yalYePaTXsjE0IwTEzfGmPv0UmJ7QpBBSv+4C7J9zwDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:32.045551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007999
observed 41be827b062acbf87782bd8d9e721975...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:32.025401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007999/manifest.json
observed 444790eb096d3d534eda375e3b941532...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:32.006218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007999/publication.md
observed 1d36221b37c983da120cadc503243fbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:31.984302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007999/publication.txt
observed 93637d0d65d55858f94086233c25181c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:08.105165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007999
observed 41be827b062acbf87782bd8d9e721975...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:08.084010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007999/manifest.json
observed 444790eb096d3d534eda375e3b941532...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:08.060359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007999/publication.md
observed 1d36221b37c983da120cadc503243fbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:08.043349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007999/publication.txt
observed 93637d0d65d55858f94086233c25181c...
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.