OpenTechnical

OT-2026-000022706

Publication integrity record

Foam pad vacuum gripper, three stage ejector, 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-2026-000022706) never changes.

Identity and time

Publication numberOT-2026-000022706 · never reused
Internal UUID01a0ae70-46e9-7cd2-a697-345972cb3f51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022706
StatusPUBLIC

Content hashes

Canonical text2a5d0dae84fabd545c1e1532ae5952e8810edd6225fe7eff067c9f3a2028f273
Markdown7e124a097fac9f877752c03f68044faba37bedd4efc621838778b01c59dd0734
PDF
Publication pageb51028237da7701b295c955e7cfd5297a9efb63954ed40655e3e4c1e7e797574
Manifest9b7a6ef78f128563af17d146a6102d9044fab3bab46beb4c940ed960d6bce671

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
SignatureZcz0Jla5nlu1VOhpdhuSfxsA7ZfRRatkAV3Fa1b4G+ndQpPFWZ+goR/J5bYfEmlRwDReKMguvE3HM4QXC+TxBQ==
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

2026-09-17T11:52:12.048428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022706
observed b51028237da7701b295c955e7cfd5297...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:12.029514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022706/manifest.json
observed 9b7a6ef78f128563af17d146a6102d90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:12.009575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022706/publication.md
observed 7e124a097fac9f877752c03f68044fab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:11.989958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022706/publication.txt
observed 2a5d0dae84fabd545c1e1532ae5952e8...
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.