OpenTechnical

OT-2026-000053451

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000053451) never changes.

Identity and time

Publication numberOT-2026-000053451 · never reused
Internal UUID01a0ae85-0a90-79ec-b65e-2ef023e3fb61 · 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-2026-000053451
StatusPUBLIC

Content hashes

Canonical text6ef515f7f2051dd1b89d0226739a8786f3e4f8fda9ca73a80b5da68a41b2533d
Markdown7a3732ce6e11cf3af2521db3260c56d39ee7a88193294fbb0649e3f1c8654cee
PDF
Publication page9a0871e9e671b5352cc3ca2e31dee3218d62b872ea95782a2d485801f854a1ef
Manifest524e0ffdee1bf382b478b98786bfb7751834b468d4c839646fabdaebbe25a0d0

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
SignatureM7WdH2v6IwmO2iq6HI+FgSb/qYvIuMDXz8kNufLLgZdlY/Ad0ZPjUS5C7234cSP6jxPzlpEYMF4qfGX3BDHMBA==
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

2026-09-17T10:55:11.740011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053451
observed 9a0871e9e671b5352cc3ca2e31dee321...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:11.722790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053451/manifest.json
observed 524e0ffdee1bf382b478b98786bfb775...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:11.703850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053451/publication.md
observed 7a3732ce6e11cf3af2521db3260c56d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:11.682573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053451/publication.txt
observed 6ef515f7f2051dd1b89d0226739a8786...
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.