OpenTechnical

OT-2026-000029511

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, pulsed 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-2026-000029511) never changes.

Identity and time

Publication numberOT-2026-000029511 · never reused
Internal UUID01a0ae73-5e21-77c4-a236-7520e879d738 · 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-2026-000029511
StatusPUBLIC

Content hashes

Canonical textbe434d6103aae34508d1577d4caefe6bf72b2fe3198289ca425d73b07b3f4b50
Markdown20ba54bf1e469af932652f6013078ac897d6ae2832659b95b88bf05d9782b34a
PDF
Publication pagea564861dacee9099cdaecec5a64dd207e8515fd0f809351c48688e156273b0ba
Manifestf274013ede52b79c97bd39906d3a0f53022584c3b5eb2e715c445fa882fcf48a

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
SignaturegX7DodULSADWALOSf97qe9y+ILU/PjH9LYgPxaVC4DK1JVg+t/6K3fAk19PZ2VO5Q8Wiec21+B7JScvq1jqNAA==
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

2026-09-17T11:39:09.049219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029511
observed a564861dacee9099cdaecec5a64dd207...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:09.028317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029511/manifest.json
observed f274013ede52b79c97bd39906d3a0f53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:09.009245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029511/publication.md
observed 20ba54bf1e469af932652f6013078ac8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:08.989442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029511/publication.txt
observed be434d6103aae34508d1577d4caefe6b...
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.