OpenTechnical

OT-2026-000052150

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum 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-2026-000052150) never changes.

Identity and time

Publication numberOT-2026-000052150 · never reused
Internal UUID01a0ae83-e790-7bee-be7e-b6f8b93553eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052150
StatusPUBLIC

Content hashes

Canonical textac1ce10b6472ebeef50ae18dd26e8c2c1cbb109f502efa89a80bdc80ddb33432
Markdown4f56da19356c7404bb0e6ce034a8fbeabbd4e07bd5cca4c6296cd0e90cdf735c
PDF
Publication pageede11d0ac225c2ab75e4527e17d60bdc87d5b4d181d8883d1a71ed870b91b207
Manifestdaf00b4caa0fd50174536ccbc009d7fb850b52eef5e690629f5d710e4610528a

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
SignatureJ1YAX0WAaYcUkYurUA1Z0JaxS540otV29uENp3P/cwpYNIVbTfI6DPEgbDODHKJ31rpGeY6OedxE8QUTe+vKDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:42.225879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052150
observed ede11d0ac225c2ab75e4527e17d60bdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:42.207414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052150/manifest.json
observed daf00b4caa0fd50174536ccbc009d7fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:42.189312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052150/publication.md
observed 4f56da19356c7404bb0e6ce034a8fbea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:42.169616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052150/publication.txt
observed ac1ce10b6472ebeef50ae18dd26e8c2c...
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.