OpenTechnical

OT-2026-000029414

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000029414) never changes.

Identity and time

Publication numberOT-2026-000029414 · never reused
Internal UUID01a0ae73-5e20-75b6-9bea-773571e7f5f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029414
StatusPUBLIC

Content hashes

Canonical text237333b4b542e49a6676a4e8b71fc522ec6eadc1672a57a3a298e3e3ac20055a
Markdownb0094046660ecd1d6bde53063726e6b19096bad18c402be13f4d463a3ce78235
PDF
Publication page38aadbe28d9d3f7b71c78028f36badee30408006be58eb52ac02f82097662857
Manifest41c2cc1a3bfe44ee80116351d6df84394bcf2f6189ad7a4feec86541470933fb

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
Signaturew0UijpUQoQBrJ3764qkHjtiaMEi+f6U9Lp0PjLeaKnEz9WYlLkruCnQgSgv//9rZQSDrOTQJiY3J6+geaxPPBA==
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

2026-09-17T11:39:01.133636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029414
observed 38aadbe28d9d3f7b71c78028f36badee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:01.111493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029414/manifest.json
observed 41c2cc1a3bfe44ee80116351d6df8439...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:01.095603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029414/publication.md
observed b0094046660ecd1d6bde53063726e6b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:01.077449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029414/publication.txt
observed 237333b4b542e49a6676a4e8b71fc522...
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.