OpenTechnical

OT-2026-000102684

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, pulsed blow-off after 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-2026-000102684) never changes.

Identity and time

Publication numberOT-2026-000102684 · never reused
Internal UUID01a0aea4-858b-7dce-9851-164ab40f63fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102684
StatusPUBLIC

Content hashes

Canonical text545d00d86e5975753f6aa536b4e2072030a9c18437acbf1c7569ff3ce7945340
Markdown13546c5bc8f8380ffc5f21fa7bc959085faa516ca055062d634afcdc7fa011bc
PDF
Publication page2ea4856f3c3abda24b15438587a827e5f6480d0a578baaa35ed3dd2f9c00edcc
Manifestd0107400be523ca10f694d151643745fdc45a21d60a3b99f6d6ebccc4ee6776d

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
SignaturegyApRzemAg2EDoZZIE4GT+R45n17BQEY1LgKI7D9DWbFvHBVmyPuJGYoCqbOQU0w29Lnomi9bid2BGNJgyg1Ag==
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

2026-09-17T09:24:11.396652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102684
observed 2ea4856f3c3abda24b15438587a827e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:11.378333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102684/manifest.json
observed d0107400be523ca10f694d151643745f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:11.359553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102684/publication.md
observed 13546c5bc8f8380ffc5f21fa7bc95908...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:11.340484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102684/publication.txt
observed 545d00d86e5975753f6aa536b4e20720...
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.