OpenTechnical

OT-2026-000029036

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, sustained 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-2026-000029036) never changes.

Identity and time

Publication numberOT-2026-000029036 · never reused
Internal UUID01a0ae73-2a9f-7b94-ae04-0b7c165c0ae9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029036
StatusPUBLIC

Content hashes

Canonical text3e63c903634b718c50600eb6726834adf52ac414d6ce4cc2515d6f90537e72dc
Markdown710f5bc76af6540d18fb6a71ce39478db6e06d853649bdf7a78bf7e077656ab9
PDF
Publication page7270ec97e06e377db554d7e7d6d6260c396264b1c76c271b8f6e3d0162f63124
Manifest2637a396cf35482e68854940b7f2f38c8c53af931a56384277926c8287a8aa21

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
Signature3sgmivNss8Rb94XiROEnTBOI1I6GIdrnCj8Fh308EdxkKHjUzApd0TCvAJZ+RQPgks7GCcOWN3qt0Pqbi1qPBQ==
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

2026-09-17T08:20:37.967808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029036
observed 7270ec97e06e377db554d7e7d6d6260c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:37.948716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029036/manifest.json
observed 2637a396cf35482e68854940b7f2f38c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:37.781325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029036/publication.md
observed 710f5bc76af6540d18fb6a71ce39478d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:37.727862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029036/publication.txt
observed 3e63c903634b718c50600eb6726834ad...
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.