OpenTechnical

OT-2026-000015411

Publication integrity record

Two cup vacuum gripper, two zone face, two 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-2026-000015411) never changes.

Identity and time

Publication numberOT-2026-000015411 · never reused
Internal UUID01a0ae6d-ef49-7358-a7c2-6ac0c88806fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015411
StatusPUBLIC

Content hashes

Canonical textf922145235362fcb9b8a539cb23d255f09ff9589681037a481b72dce759a01f4
Markdown44c433942a6bdd91176da7834ce783c3f101e2a8926033a2e624dd12c20ce8e0
PDF
Publication page7f4e76782c65ce3863ddf7e48f9ddb761ed29e8d6eca910793388079bd96e3af
Manifest85ee1b50dddc1fbb9ddfc0382ab9bd8bcb78cd127a3501c1ca3e9e735bac89ca

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
Signature3zluFTIqRhrttqABiNFF8u+svKjTVASyyKyI/r9S8nPunQyil0UCYmEUu9v/GdTbAri/IqZacd+vTNi1alNoCQ==
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

2026-09-17T12:06:08.410459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015411
observed 7f4e76782c65ce3863ddf7e48f9ddb76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:08.390701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015411/manifest.json
observed 85ee1b50dddc1fbb9ddfc0382ab9bd8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:08.370772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015411/publication.md
observed 44c433942a6bdd91176da7834ce783c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:08.352913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015411/publication.txt
observed f922145235362fcb9b8a539cb23d255f...
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.