OpenTechnical

OT-2026-000073278

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000073278) never changes.

Identity and time

Publication numberOT-2026-000073278 · never reused
Internal UUID01a0ae92-efb7-7d45-97a7-e1a118394470 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073278
StatusPUBLIC

Content hashes

Canonical texta6212d5a6ea1119661f2c1d5db3f15636b75de029df625c9f7232058afe03a24
Markdown0133bee14ad88c389128e2570f9bba818421ea5e7b8bfd096359dbd57c240232
PDF
Publication page51092c80de1618d33cdc8813c074c44fa6f308fb520d3f818e1b3af43d5ca6d1
Manifest1c0488d5fec87fa00f47712cfa301f80a87f8dba689bf82751c480698f21d63f

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
Signature+aEDiB7NL+T6d3jtAUalt5lVCw7IUizqr/2t7oa9+B+0uBiCOEFtF+Xotff3JukXzpsEkOgAeozChVVyB+r5Bg==
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

2026-09-17T10:21:16.921537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073278
observed 51092c80de1618d33cdc8813c074c44f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:16.903342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073278/manifest.json
observed 1c0488d5fec87fa00f47712cfa301f80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:16.885405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073278/publication.md
observed 0133bee14ad88c389128e2570f9bba81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:16.866323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073278/publication.txt
observed a6212d5a6ea1119661f2c1d5db3f1563...
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.