OpenTechnical

OT-2026-000095015

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000095015) never changes.

Identity and time

Publication numberOT-2026-000095015 · never reused
Internal UUID01a0ae9f-2df0-7a98-80ac-837448557858 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095015
StatusPUBLIC

Content hashes

Canonical text17e4b6270fbca8da08894a30060853cc59c1f28cc15c6d51dcc1585a1613adc8
Markdown48c82f89cb286f1501eb8786b12593440828d43bd53f2dae003ac36077cb633f
PDF
Publication page7ac67ce748dc1f0f8c556cd91c7d382d2541e125b62c45cb53cc5d7ebe424616
Manifestc999a1362ae273471b09ea882640c904377b827f1249ab679eb843654e8cf67e

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
Signaturec989fETENL4ug9s/Qfyaww16oRkMfjxbBbczx45Y0/u/aMDfSIVXxu7jVm+yimSOWWkC+vZyklPoz49rUdheDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:37:34.394955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095015
observed 7ac67ce748dc1f0f8c556cd91c7d382d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:34.377678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095015/manifest.json
observed c999a1362ae273471b09ea882640c904...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:34.359637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095015/publication.md
observed 48c82f89cb286f1501eb8786b1259344...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:34.342382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095015/publication.txt
observed 17e4b6270fbca8da08894a30060853cc...
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.