OpenTechnical

OT-2026-000053481

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000053481) never changes.

Identity and time

Publication numberOT-2026-000053481 · never reused
Internal UUID01a0ae85-0a90-709e-b8f0-bfb19d67b15f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053481
StatusPUBLIC

Content hashes

Canonical text692b0ad3934b52b63ee746da0901bc4996f674a4a2de2c5679daf3dc718389bf
Markdownd28de9c5210bb308ce0a0969058deb733ba0bf438c471ccbcedd041560b86dbb
PDF
Publication page39cf98f944cb519a44730c0edd7aa590da9290158a5ad00e78be46b44a74bee8
Manifest14a00ac7cf47e9a5c6fd5c41b83d2f9789cf32850e66316ecaf94e283e3f26ca

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
Signaturerxfi22bfVPyUrqmL7R3Ez+8sP99LaFI3I6bIMfsSPs/pAmPkqtNO4g0YDJq7jzHod5cY5tRep91yyr+q2ypCAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:14.146232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053481
observed 39cf98f944cb519a44730c0edd7aa590...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:14.129190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053481/manifest.json
observed 14a00ac7cf47e9a5c6fd5c41b83d2f97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:14.112683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053481/publication.md
observed d28de9c5210bb308ce0a0969058deb73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:14.093827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053481/publication.txt
observed 692b0ad3934b52b63ee746da0901bc49...
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.