OpenTechnical

OT-2026-000026247

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, 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-2026-000026247) never changes.

Identity and time

Publication numberOT-2026-000026247 · never reused
Internal UUID01a0ae71-a841-7e94-9ae4-7a96549d1db5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026247
StatusPUBLIC

Content hashes

Canonical textf301aa6667bd921c68b860899ae10cb1089ea1a256ade2f8d9c682965a36600e
Markdown213f396f2b1115fa231d09cdb4527967cfe98ddf23837df01106fd99d5abb46b
PDF
Publication page3759717d855fb948c1835f7e69d631bce9a04d6bedabd1c922e975c8a77adda8
Manifest960fb3cd555b3782babfbeea1e45172b7b067c95cf2039d5c3ca4b9d22643afe

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
Signaturek7I0WIWhf5/yxoAetsLAMPS3TYGc8ZLdtpvusGWiQVLxstrzQJ2pimOSCqoA9Ay8rCi1Ig1cEJcnn8W8CvUBAA==
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

2026-09-17T11:46:46.256638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026247
observed 3759717d855fb948c1835f7e69d631bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:46.236202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026247/manifest.json
observed 960fb3cd555b3782babfbeea1e45172b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:46.213718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026247/publication.md
observed 213f396f2b1115fa231d09cdb4527967...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:46.194463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026247/publication.txt
observed f301aa6667bd921c68b860899ae10cb1...
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.