OpenTechnical

OT-2026-000054418

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000054418) never changes.

Identity and time

Publication numberOT-2026-000054418 · never reused
Internal UUID01a0ae86-1282-7902-98a0-ec220cd6921b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054418
StatusPUBLIC

Content hashes

Canonical text7ccf57205f99e4dbe605742b22444176151c05b3b9ea5dd6eb8cac337b7aa241
Markdown2411867e462938d215a628e49da789b3158026981db6282928cbaf58f7ddb064
PDF
Publication page8605e036dedd25fab7cfe20d71e1f4aa83accc6088ca5eb3f52ba5b857b6f69a
Manifest1b42b7c76fabcc9ac3c5830c17e44281e6b5fa60f286d04783c3d80aa80cf354

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
Signaturecye9CBSfBEIOjRVRA8Q8DUT7Q4hzR+zWYiYyb2IIncU/Ent7dNgsz0D8Vq0mwEjLoTnnKjGctbRI6r6+YRlNDw==
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

2026-09-17T10:53:24.026332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054418
observed 8605e036dedd25fab7cfe20d71e1f4aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:24.007179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054418/manifest.json
observed 1b42b7c76fabcc9ac3c5830c17e44281...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:23.988821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054418/publication.md
observed 2411867e462938d215a628e49da789b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:23.971346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054418/publication.txt
observed 7ccf57205f99e4dbe605742b22444176...
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.