OpenTechnical

OT-2026-000007833

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, vented 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-2026-000007833) never changes.

Identity and time

Publication numberOT-2026-000007833 · never reused
Internal UUID01a0ae6a-908a-7751-9979-fba421cb0ebf · 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-2026-000007833
StatusPUBLIC

Content hashes

Canonical textd7dc353edf3754b0a189df986ff1b80d0d645a5ad0ec45db1f23dcfd53df5d0d
Markdown225b7ce7e3ca370a9b6ab5dbfdd6c31900a92eee2a263bc6b0ed0321c8d44949
PDF
Publication page3082eae5086b760ffefcf567beebf2b7e3674a5d54c5449d44b62561a48bd309
Manifestc0cb6c42a701ff8da431dc81ccacb416fa2754b631c1bdbdae3103430cdf2599

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
SignatureiUxuIo99Gh+OXtsIivGPXkpkiEOSNw6BLRVr2uWRyWVPOY5ftCaL9rY09XjErUwvBtF1BmdZ7o25kl+yyjuhBw==
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

2026-09-17T12:20:17.025530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007833
observed 3082eae5086b760ffefcf567beebf2b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:17.007168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007833/manifest.json
observed c0cb6c42a701ff8da431dc81ccacb416...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:16.988402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007833/publication.md
observed 225b7ce7e3ca370a9b6ab5dbfdd6c319...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:16.970958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007833/publication.txt
observed d7dc353edf3754b0a189df986ff1b80d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:50.122088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007833
observed 3082eae5086b760ffefcf567beebf2b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:50.104631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007833/manifest.json
observed c0cb6c42a701ff8da431dc81ccacb416...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:50.086550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007833/publication.md
observed 225b7ce7e3ca370a9b6ab5dbfdd6c319...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:50.070192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007833/publication.txt
observed d7dc353edf3754b0a189df986ff1b80d...
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.