OpenTechnical

OT-2026-000087486

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, supply line pressure sensor, 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-2026-000087486) never changes.

Identity and time

Publication numberOT-2026-000087486 · never reused
Internal UUID01a0ae9a-cd51-708e-8ab6-6ba70b9940ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087486
StatusPUBLIC

Content hashes

Canonical text1afd727ce122d86fe10faa6ea007138a8a22c2678475b5869c2af269c23b96f0
Markdownd1ac524e3a772585a49ddd8cb847257914fbfb30e11a51e452d899f091e7a596
PDF
Publication pagea878c858f95758458c227fea6c00193fac75537ec798f7282aa3ab88b7fbdda6
Manifest82a68be00e967f9b0b3d5f291b72aef39db2d25591f8b981fc65e424e4229edf

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
SignatureeBVjz+Nc+IuWFcuGzECkBiidxvbO4l5k4gYr3/Cwe8BBSyeiLdA65YAOA6jY9vTTVs5tt9MkbS0NZxDK/DYSBw==
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

2026-09-17T09:50:49.052486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087486
observed a878c858f95758458c227fea6c00193f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:49.035477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087486/manifest.json
observed 82a68be00e967f9b0b3d5f291b72aef3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:49.016859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087486/publication.md
observed d1ac524e3a772585a49ddd8cb8472579...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:48.999781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087486/publication.txt
observed 1afd727ce122d86fe10faa6ea007138a...
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.