OpenTechnical

OT-2026-000030105

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, manifold 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-2026-000030105) never changes.

Identity and time

Publication numberOT-2026-000030105 · never reused
Internal UUID01a0ae73-e4ff-7ced-b67e-34557163a675 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030105
StatusPUBLIC

Content hashes

Canonical textd64a27558bec1f309893a680ddf68e43b6bcb67f754ed83f948f458ea47f6ec7
Markdown5c25a3feb708765e6883ac352c99830cac6fd5da01663814f3c83b3135677e24
PDF
Publication pagef4acefc154a4c655dd31600f6babaf20ed77e8f2c94079d54133b3eee00a86a8
Manifest1cf6ac51e10bbdfdd2cb0a7ef9e9523896cc762038d7e6d952d11cc4ef77d5c7

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
Signature9WPgF051CISZ57ExaamhaFulLvEza48Evrir4h4kouzZ8ij1deSn18TPl7k6xEntdtFMdhtiFW3M4Xwoe9gMCA==
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

2026-09-17T11:40:20.095845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030105
observed f4acefc154a4c655dd31600f6babaf20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:20.078620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030105/manifest.json
observed 1cf6ac51e10bbdfdd2cb0a7ef9e95238...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:20.058654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030105/publication.md
observed 5c25a3feb708765e6883ac352c99830c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:20.040504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030105/publication.txt
observed d64a27558bec1f309893a680ddf68e43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:42.108609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030105
observed f4acefc154a4c655dd31600f6babaf20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:42.092415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030105/manifest.json
observed 1cf6ac51e10bbdfdd2cb0a7ef9e95238...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:42.075259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030105/publication.md
observed 5c25a3feb708765e6883ac352c99830c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:42.057750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030105/publication.txt
observed d64a27558bec1f309893a680ddf68e43...
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.