OpenTechnical

OT-2026-000029099

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, pulsed 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-2026-000029099) never changes.

Identity and time

Publication numberOT-2026-000029099 · never reused
Internal UUID01a0ae73-2a9f-7599-9f2d-a3507e066153 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029099
StatusPUBLIC

Content hashes

Canonical text6eef573abd60a9aafb6a1e4c554c6ec1ac30e36ab7f5f9c666b6ff21e324230c
Markdown3c07611ae4455ad8664d59a5760847e2d2ae6ad10457773f75f0bb9bdc05065b
PDF
Publication page25eaadda3e97ed8e790462b62cffbfb08f83dd99f3bdc4bbae58a4b2a7c9f26f
Manifestc0ad1d6a403e8614a2819f11906e42b0295efb41b7bef0d756a3d80e7786cc76

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
Signature6ThZmlbycv//pmneNUNtyHnBfY/D2P13tAR+QgJmUtHHEvHrXdn0+JtYtU/ruqNhKbCohDPZm5NbGsIiG+VqDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T08:20:50.710532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029099
observed 25eaadda3e97ed8e790462b62cffbfb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:50.694229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029099/manifest.json
observed c0ad1d6a403e8614a2819f11906e42b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:50.674983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029099/publication.md
observed 3c07611ae4455ad8664d59a5760847e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:50.530677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029099/publication.txt
observed 6eef573abd60a9aafb6a1e4c554c6ec1...
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.