OpenTechnical

OT-2026-000019308

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000019308) never changes.

Identity and time

Publication numberOT-2026-000019308 · never reused
Internal UUID01a0ae6e-f392-7793-ac2d-8eefde5d028d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019308
StatusPUBLIC

Content hashes

Canonical text43217391092ff1fc439605312992b0528b1980b1fea5d63f2a5a959c43fa6fe6
Markdownefe1aa1d876024e1c1348349bace852707c28a791d3bd0faa810e3351ae080b7
PDF
Publication pagef9ad2932c10f3ab7a2e13a97144053e8acc14a2c5aa577fe96679295ec3cb794
Manifest43ec8bd16dd418fcc33c6525c746e8778c25eb0ca126f20d3eb5aef9c7d92856

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
Signature5OvdY7dQvtxvrlIrq1bGY3N8uHvaQ58Zp/JO2fdYrb1CJvR8HBxR0isKTk8AbKpcTGNQb6nNY0fdZWQCeCVjBA==
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

2026-09-17T11:58:40.116934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019308
observed f9ad2932c10f3ab7a2e13a97144053e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:40.098843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019308/manifest.json
observed 43ec8bd16dd418fcc33c6525c746e877...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:40.081156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019308/publication.md
observed efe1aa1d876024e1c1348349bace8527...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:40.057003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019308/publication.txt
observed 43217391092ff1fc439605312992b052...
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.